green extreme dual smart charger with lcd screen base brands

One the best charger made, in these days the electronic devices need a lot power, this charger it is a great help to have always a extra battery ready for your Camera, the LCD is a fantastic tool to check it the life of the Battery, and the plus the USB por it is another great idea for charging your Electronic device, great article.

Boost Feature: Wake Up feature reactivates and charges batteries that have been excessively depleted. The charger uses a small charge to activate the existing reserve, and then begins normal charging

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The Green Extreme 2 Pack BLH-1 Battery and Compact Smart Charger Kit is the perfect recharge and go power source compatible with all Olympus OM-D E-M1 cameras. Designed to meet or exceed original manufacturers" specifications for compatibility and performance, even our packaging is recycled material. Available for many popular models to power up the most energy demanding cameras and devices.- BLH-1 Battery -Green Extreme BLH-1 Rechargeable Lithium-Ion Battery Packs encourage conservation through renewable energy cells to maximize their use and to contribute in a modest way to energy responsibility. Even our packaging is recycled material!- GX-CH1 Compact Smart Charger -The Green Extreme Compact Smart Charger with LCD Screen is a must have for serious professionals and hobbyists. The easy-to-read LCD takes the mystery out of charging your batteries. Know instantly how much charging has completed thanks to the clearly visible numerical and bar display, which tells you immediately what percentage of charging is done. The backlit screen is visible from any angle in any lighting condition Universal power input allows you to charge your batteries anywhere, by powering your charger with any standard AC (110-240v) or DC (12-24v) power source. This makes it the best charger for photographers on the move, allowing your batteries to be charged from virtually any wall outlet or vehicle in the world.- Charger Plate -The Green Extreme Smart Charger Plate for Olympus BLH-1 automatically detects the voltage of ANY battery mounted to it, so that by swapping out the battery plate, you can charge additional camera battery types without requiring additional chargers. See the accessories section below for available charging plates.

This is the charger we’d buy. It has a fold-out plug—so it sits flush on your wall outlet—and notification lights over each battery slot. And it can charge up to four batteries at a time.

The four-slot Panasonic Eneloop BQ-CC55 is simple to use: You pop in the batteries—any brand of AA or AAA NiMH batteries will do—and then you flip open the AC plug, stick the charger in your wall outlet, and wait for the status lights to indicate that each battery is fully charged. An auto-shutoff feature automatically detects the batteries’ charge level and cuts off power after they’re done charging. The BQ-CC55 is made by a company we trust based on decades of customer experience, and it performed well in our battery-capacity and drain-time testing. It also has a neutral, unobtrusive look that will blend into the background of most rooms.

This four-slot charger is powered by either USB-C or Micro-USB, giving you two convenient ways to charge your batteries from a USB charger you already have.

The EBL 6201 four-bay charger offers many of the same features as the Panasonic BQ-CC55: It charges up to four NiMH batteries at a time, cuts off power automatically once charging is complete, has notification lights above every battery slot, and is fairly small and compact. But rather than an AC plug, the EBL has USB input ports on the side; these allow you to charge your AA or AAA batteries using whichever combination of connector (a USB-C or Micro-USB cable) and power source (a laptop, wall charger, or power bank) you choose. So if you already have a USB wall charger in a spot where you’d like to charge batteries—by a bedside table or desk, for example—you can plug the EBL into that instead of taking up an entire outlet.

This eight-slot charger is ideal for households that use lots of batteries for toys, gaming controllers, and more. Despite holding twice as many batteries as our other picks, this charger is relatively small and compact, and its screen gives you key info at a glance.

The Tenergy TN480U eight-bay charger is the best choice for people who regularly need to charge a lot of NiMH batteries at once. It has eight individually charging battery slots, and it charges AA, AAA, and AAAA batteries. The TN480U’s screen tells you which batteries are charging and how charged they are, on a scale of one to five. This charger is smaller and more compact than most eight-slot chargers we’ve tested, so it easily blends in with its surroundings. The screen is bright and simple to read when viewed up close, but from a distance it’s pleasantly subtle. The TN480U is powered via Micro-USB or USB-C, and it comes with a Micro-USB charging cable and rubber-band cable tie (though you’ll have to supply your own USB wall charger).

This four-slot charger measures battery capacity, voltage, internal resistance, and charge time. It can charge AA, AAA, AAAA, and C batteries, including lithium- and nickel-based batteries, all with custom charge rates.

The Tenergy TN456 four-bay charger is the best option for people who want to helicopter-parent their batteries, potentially making them last longer. It lets you set custom charge rates from 300 to 1,000 milliamperes (mA) to charge a variety of battery sizes at their most efficient rates. It also allows you to keep a close eye on your batteries’ capacity, voltage, internal resistance, and charge times. Unlike the rest of our picks, this charger is compatible with both lithium- and nickel-based batteries, and its size-adjustable slots let you charge a wide variety of battery types, including AA, AAA, AAAA, and C (the only one of our picks to charge the latter).

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Green Extreme sells its products and services in the digital camera battery grips category, mainly including camera batteries for nikon, camera battery grips and camera battery chargers. If you are looking for these products, Green Extreme can be your candidate.

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Preset charge, discharge, and storage parameters are automatically relayed from your Spektrum Smart Battery making charging as simple as pressing the “Start” button. Charge rate of individual batteries can be user customized allowing you to take full advantage of packs with faster charge ratings. The integrated microchip on each battery will remember the last charging rate you set, so the next time you plug it in, these settings will automatically populate so all you have to do is press “Start.”

The innovative Smart connection is made possible by an installed microchip on every battery, feeding the unique information through a data cable to the new IC3 and IC5 connectors. The IC series of connectors are designed from the ground up to provide a more solid connection, higher heat resistance, and effortless installation. Sprung bullets ensure a solid connection that is easy to connect and disconnect, while the convenient solder pads allow for easy installation on your device.

For those using the popular EC3 and EC5 connectors, there’s no need to worry. The IC connector series is entirely backwards compatible with existing connectors so you can use your Smart Charger with older batteries, but only when connected to a Spektrum Smart Battery are all the benefits of Smart technology obvious.

200W of shared power output lets you quickly charge large and high cell count batteries with ease. The charger will automatically adjust the power between both channels for each charging task. If you’re only charging on one channel you can utilize the full 200W output to charge batteries even faster.

A clean and intuitive touch wheel interface makes it easy to navigate all the settings on your Smart Charger. This clean and simple design keeps a sleek profile that is perfect for tossing in your field bag.

When combined with Spektrum Smart Batteries, the charger automatically recognizes battery chemistry, cell voltage, and capacity to ensure that you are always charging with correct settings, virtually eliminating the potential for charging incorrectly.

Wireless chargers can help you tame clutter, let you use a single charger for almost any phone and even spark joy, assuming you’d rather see a sleek charging pad on your counter, desk or nightstand than a rat’s nest of cables. Multi-device chargers can further simplify your setup, giving you a single spot for your phone, smartwatch, wireless headphones or even a second phone. Wireless charging may never be as fast or efficient as wired charging, but it can be a lot more convenient.

We tested 31 wireless chargers to find the best Qi stands and pads, the best MagSafe chargers for iPhone 12 and 13 and the best 3-in-1 Apple chargers that can also charge an Apple Watch and AirPods case.

This sleek, understated 10W charging pad looks better than other chargers in its price range and charges just as well. Its 25W wall adapter has a 5-foot cord for easy placement. Our one quibble is that it uses a barrel connector instead of USB.

The Otto Q is both stylish and practical, with a luxury-minimal aesthetic that reminds us of high-end audio equipment, and performance to match, giving up to 15W to phones like the OnePlus 9 that support that charge rate. It doesn’t come with a wall adapter, but it uses USB-C, so it’s easy to find one.

The BoostCharge 15W is reasonably priced, charges well and avoids the pitfalls of many other stands. It connects via USB-C, comes with a wall adapter and, unlike some cheap-looking stands we tested, it looks good enough to fit in anyplace.

The iPhone 12 and 13 can charge twice as fast via MagSafe as they can over standard wireless charging, and the magnets built into the phones and charger ensure perfect alignment every time. Too bad the cable’s so short, though.

It doesn’t charge as fast as a MagSafe-certified adapter, but this magnetic wireless charger attaches to MagSafe phones just as securely and has a 5-foot cable, which makes it more useful for bedside or couchside charging.

A capable 10W Qi charger perched over a plastic bowl. It looks good and is perfect for dumping your pocket’s contents at the end of the day. The fake wood grain and golden underglow give it a certain je ne sais quoi.

A mix-and-match wired and wireless charging station that supports everything from headphones to phones to tablets, the BaseLynx can be customized to fit the whole family’s devices.

At $50, the Zens 4-in-1 is an astonishing deal, with two 10W charging pads, an Apple Watch charger and a 5W USB port. And it comes with a 45W USB-PD charger.

Technically this is the only MagSafe-certified 3-in-1 Apple charger at press time, but we like the sculptural look, with both iPhone and Watch charger suspended gently in the air, plus a spot at the base for your AirPods.

The Logitech Powered Pad’s reasonable price, good charging performance, understated looks and 5-foot cord make it a solid wireless charger for any room in the house. Most cheaper wireless chargers look cheaper, and plenty of prettier chargers don’t work as well. Its biggest drawback is that it uses a proprietary AC adapter; many other wireless chargers use standard USB cables and wall adapters, which are easier to replace if necessary.

The Powered Pad’s squircle shape, matte finish and four color options (graphite, white, lilac and blue sage) work well with modern and contemporary decor. It has a pinpoint white status LED that stays on while your phone is charging, but it doesn’t blink and isn’t very bright, so it’s tolerable in dark rooms unless you’re a particularly light-sensitive sleeper.

In testing, the Powered Pad delivered 9W to a Samsung S21 Ultra 5G and 7.5W to iPhones, the maximum each can get from a standard Qi charger. It can also charge Qi wireless headphone cases, like the AirPods Pro case, though positioning can be tricky for devices smaller than the charging pad.

At around $30 from Logitech, the Powered Pad costs about as much as an inexpensive 10W Qi pad, plus the 18W USB-A charger needed to power it, but it looks better than any of the cheap ones we tested, and there’s no risk of plugging it into an underpowered wall adapter. The 25W wall adapter ensures the Powered Pad gets enough power, and while it’s quite tall at 2.25 inches, most USB-A chargers that can power a 10W Qi pad are just as tall when the USB cable is plugged in, and most proprietary wall adapters take up more room around the outlet.

If you want a charger you can show off (or at least one that complements your decor), consider the Moshi Otto Q. With its heathered gray fabric top and metal-look case, it resembles Scandinavian hi-fi equipment and doesn’t look out of place on a nightstand, dresser or console table. It can deliver up to 15W to the (vanishingly few) Android phones that support it, 9W to Samsung phones and 7.5W to iPhones.

At 4 inches in diameter, the Otto Q is among the largest charging pads we tested, but it doesn’t feel large, possibly because of the tapered base, and possibly because it’s not a featureless black slab. A grippy rubber ring around the Qi coil helps with phone placement, and a white LED on the front of the pad blinks when your device is charging.

The Otto Q is powered via USB-C, and requires an 18W or higher USB-PD charger. If you don’t already have one, we recommend the compact, inexpensive Anker 511 Nano ($13.59; amazon.com). We prefer USB-C rather than USB-A because powerful USB-C chargers are smaller and cheaper than their USB-A equivalents. You’re also more likely to have a 20W USB-C charger hanging around than an 18W USB-A charger, and therefore much less likely to accidentally plug into an underpowered adapter.

The Belkin BoostCharge 15W Is a perfectly fine wireless charging stand. It isn’t exciting, per se, but it lacks the shortcomings of many other stands we tested. First, it connects via USB-C rather than Micro USB like the Anker PowerWave Stand or the 10W Belkin. Unlike the Anker and the YooTech X2, it comes with a USB adapter, in this case 24W USB-A. It supports charge rates up to 15W, if you happen to have an LG V40 or OnePlus 9, or one of the few other Android phones that can hit 15W on a standard charger; it’s also one of the very few wireless charging stands that can exceed 5W on a Google Pixel 3, though few people have those anymore.

The circular base and ovoid stand are inoffensive, as is the matte soft-touch top and (for some reason) glossy black base. It has a white pinpoint charging LED in the front. It doesn’t look as low-budget as the Yootech X2, and the design isn’t as polarizing as the framework stand of the 10 Belkin BoostCharge we tested.

Like most stands we tested, the Belkin BoostCharge 15W can’t charge an iPhone 12 Mini or 13 Mini; the Qi charging coils don’t line up with those smaller phones. We don’t consider that a deal breaker, though, because the 12 and 13 Mini can and should use MagSafe or magnetic Qi chargers instead. It also can’t charge Samsung phones at 15W; fortunately, our next pick can.

If you have a Samsung phone that supports 15W wireless charging, like the Galaxy S10, S20, S21, Note 10, Note 20 or various Folds and Flips, you should get a 15W Samsung Fast Charge charging stand. Other 15W Qi chargers won’t charge Samsung phones at 15W, and the Samsung charger won’t charge other phones at 15W. Sometimes life is like that.

The Samsung Fast Charge Wireless Charging Stand does charge other Android phones at up to 10W, and iPhones at 7.5W, like most of the other chargers we tested, so it’s still useful in mixed-phone-ecosystem situations, a phrase I can’t believe I typed at 8 p.m. on a Saturday one week before Christmas.

The Samsung is the only charger we tested with an active cooling fan, but you can only control it from a Samsung phone. Also, the status LED glows red when the phone is charging correctly, which is counterintuitive.

If you have any phone in the iPhone 12 or 13 families — including the Mini, Pro or Pro Max — you should consider a MagSafe charger. Rings of magnets on the charger and the phone ensure perfect alignment, and iPhones can charge at up to 15W on a MagSafe charger, compared to 7.5W on a Qi charger. And unlike with a regular wireless charger, you don’t have to leave your phone sitting around while it’s charging; you can use it normally. It even leaves the Lightning port free for wired headphones. (Whether that’s a good thing depends on your relationship with screen time and is outside the scope of this article).

There are a couple of catches, of course. First, though any Qi charger will charge the phone, and plenty already exist that can attach to the magnetic ring, only certified chargers get MagSafe speeds, and there are very few of them. Apple’s MagSafe Charger costs between $32 and $40, has a paltry 3-foot cable and doesn’t include the 20W USB-C charger you’ll need to use it. Second, if you keep your phone in a case, you’ll need one that’s MagSafe-compatible. That’s not a huge deal; plenty of Apple and third-party cases work. And third, MagSafe charging can output a lot of heat, which will cause the charge rate to drop until the phone’s internal temperature goes down.

Still, if you have a MagSafe-compatible phone and want fast wireless charging, it’s worth getting a MagSafe charger. If you’re interested in the magnetic part but don’t mind a slower charge, you can also consider a magnetic Qi charger like the one we recommend below.

If you don’t have an iPhone 12 or 13, there’s no reason to buy a magnetic Qi charger. They attach to the ring of magnets in MagSafe-compatible phones, but they’re regular Qi chargers, so they’re limited to 7.5W. Unlike MagSafe chargers, which deliberately drop their charging to a snail’s pace if they detect non-iPhones (thanks, Apple!), magnetic Qi chargers will charge other phones just fine, but since those other phones lack the magnetic ring, they’re harder to align than a regular Qi charger.

The reason to buy a magnetic Qi charger, then, is if you have a MagSafe phone but want something you can’t get with an official MagSafe charger, like a cord that’s more than 3 feet long.

For that very specific use case, the Anker 313 Magnetic Wireless Charger Pad is pretty good! It has a 5-foot cord, which is 2 more feet than Apple gives you, it’s only a little larger than the MagSafe charger and instead of costing $30 to $40 without a USB-C wall adapter, it’s $23 and comes with a 20W USB-C charger that costs around $15 by itself. That means the Anker charging pad costs about $8. Eight bucks!

Anker’s charging pad and cord are less bulky than the one on the Belkin Wireless Magnetic Charger, and its magnets are much stronger than the Mophie Snap+. If you want a bedside or couchside charger with longer reach than Apple’s MagSafe and don’t mind the slower charging, it’s a good deal.

Does anyone needa wireless charging bowl with yellow underglow, fake wood grain on the outside and fake copper (or faux terra cotta?) on the inside? I don’t know. But I tested 28 wireless chargers for this article and the Tylt Bowl was the only one that sparked joy.

The Tylt is a plastic bowl, about 7 inches in diameter, with a 10W Qi charging pedestal in the middle at about rim height. The inside is a semi-glossy copper colored plastic, while the outside has an unconvincing wood grain pattern. A golden light shines down into the bowl from the stand when your phone is charging.

There are other classy ways to combine a wireless charger and a pocket dump/valet tray, like the Courant Catch:3 ($100; amazon.com), and sure, they can spark a different kind of joy: the quiet joy of a tasteful, well-appointed accessory. But sometimes you need the big dumb joy of a wireless charging bowl with fake wood grain.

Best modular wireless charging system: Scosche BaseLynx Modular Charging System Pro Kit ($199.95 in white; scosche.com or $146.96 in black; scosche.com)

The Scosche BaseLynx Modular Charging System is a great way to make a family charging station for all your devices, whether or not they support wireless charging. If you only want a single Qi charging pad, you can get it for around $50, but if that’s all you need, there are less expensive, less bulky options. The appeal of the BaseLynx is that you can add modules as needed and power them all with a single AC cable.

We tested the Pro Kit, which starts at $146.96 in black ($199.95 in white, as tested). It consists of a 10W Qi charging pad; Apple Watch charging module; the Vert, which holds three devices vertically and has an 18W USB-C port and two 12W USB-A ports; and the EndCap, which adds another 18W USB-C port and 12W USB-A port. With all these modules, the BaseLynx kit is large, at more than 13 inches wide and almost 6 inches deep. But we were able to charge a Samsung Galaxy S21 Ultra on the Qi pad, an Apple Watch, an iPad, an iPhone 12 Mini, an iPhone 11 and a Google Pixel 3 at the same time. And we could still fit a second Qi charger and a second Apple Watch charger before running out of power overhead.

If you have the space, and the need, to charge a half dozen or more devices at once, the BaseLynx system is worth considering. If your needs are more modest, you can save space and money with something more compact. Scosche tells us a MagSafe module is coming soon, but as of December 2021 it is not yet available.

The original price of the Zens 4-in-1, around $140, is more than anyone should pay for a 3-in-1 charger without MagSafe in the year of Luigi 2023. But it’s been around $50 recently, and at that price it’s a steal. The Zens 4-in-1 has two 10W Qi charging zones and two 5W USB ports. It can charge two phones at 10W each (one in portrait, one in landscape), plus an Apple Watch and a low-powered USB accessory, like a set of Bluetooth headphones.

The Zens comes with a 1-foot Apple Watch charging cable, which plugs into its rear USB port and slots into a holder on the back right of the pad. There’s no cable management at all, so that cord is just hanging out there. It doesn’t look great, but it also means you can remove and reuse the cable easily (though the Apple Watch adapter clip is permanently affixed, unlike the one on the Mophie Wireless Charging Stand+).

There’s no divot, dimple or other easy way to align a headphone case to either charging pad — we had some trouble getting a set of AirPods Pro to charge at first — but both pads can charge at up to 10W, rather than limiting one to 5W, as most charging stations do. This adds to the Zens’ longevity. The 45W USB-PD charger and braided USB-C cable are also usable elsewhere. Not that you should buy a charging pad you’re planning to part out, but it’s much more sustainable than, say, the Logitech Powered 3-in-1 or the Mophie 3-in-1, which both cost over $140 and have proprietary AC adapters and nonremovable Apple Watch chargers.

If you’d rather look at your phone in vertical mode and don’t mind supplying your own Apple Watch charging puck, consider the Anker PowerWave 3-in-1. It’s a step down from the Zens in most respects — its charger is less powerful, the headphone charging area is limited to 5W and partially blocks the view of the Apple Watch and it doesn’t include an Apple Watch charging cable. But it’s the next best option if the Zens isn’t available at the current steep discount.

The Anker PowerWave 3-in-1 has a 10W Qi charging stand, a 5W Qi pad for wireless AirPod cases and a stand with a slot for an Apple Watch charger. The Apple Watch charger isn’t included. Instead, Anker provides an internal USB port under the bottom cover, along with a clever routing system for the 3-foot charging cable the Apple Watch comes with.

Unfortunately, the AirPod charging area is right in front of the Watch charger, so the headphone case will partially block your view of the Watch in nightstand mode. There’s also no divot or indicator to help with AirPod case placement; you just have to make sure the pad’s charging indicator lights up.

The 18W USB-A charger included with the PowerWave 3-in-1 is less powerful and less useful than the 45W USB-PD one that comes with the Zens, but it’s still streets ahead of any proprietary charger.

The Belkin BoostCharge Pro 3-in-1 looks like a sculpture or a jewelry store window display. Its MagSafe-certified charging pad and Apple Watch charger are suspended on slim metal arms above its base, so your watch and phone float in the air, while your AirPods charge in an indentation in the matte white base. It’s one of the most striking designs we’ve seen; it’s also the only MagSafe-certified 3-in-1 charger available (though a new Belkin 3-in-1 MagSafe charging pad is up for preorder now), and there are plenty of stands that require you to bring your own MagSafe charger; we haven’t tested those.

In our testing, the MagSafe pad delivered 12W charging to an iPhone 12 Mini (non-Minis can expect 15W) while charging the Watch and AirPods as well. The Belkin connects to its proprietary 40W charger via a 5-foot cable with a barrel connector. We’d prefer USB-C, but proprietary adapters are common in multi-device chargers. There’s no charging indicator for the watch or MagSafe pads, just the Qi pad on the base, but charging indicators aren’t that important for magnetic chargers since you can’t really misalign them.

At $150, the BoostCharge Pro is expensive, and it takes up a lot of room, with a 5.3-inch-diameter base; both phone and watch extend past the base’s edges when charging. But thanks to its slim metal support arm, it doesn’t look bulky. It also doesn’t support fast charging for the Apple Watch Series 7, though Belkin’s new 3-in-1 will.

If your smartphone or headphones charge wirelessly, they probably use the Qi induction charging standard. All iPhones released since 2017 support Qi, as do most (but not all) Android smartphones, especially high-end ones. You can stick your phone on any Qi charger and expect it to charge, but if you make sure your charger supports your phone’s maximum charge rate, you’ll get faster charging and less frustration.

Any Qi charger you can buy will charge your device at 5W, which is to say slowly. Most current Android phones support wireless charging at up to 9W or 10W. Some can hit 15W on a standard 15W Qi charger; others, like certain Samsung and OnePlus phones, support higher wireless charging rates but only using their own chargers. If you’re not sure what charge rates your phone supports, check the manufacturer’s specification page for your phone.

Regardless of the phone, induction charging isn’t as fast as wired charging. The Samsung Galaxy S21 Ultra 5G, which we used for testing, can charge via USB-C at 25W. Samsung’s wireless chargers can hit 15W; on a standard Qi charger, it’s limited to 9W. So it’ll charge almost three times faster with a cable than on a wireless charger. The iPhone 13 can charge at up to 20W via Lightning cable, 15W on MagSafe and just 7.5W on a standard wireless charger. If you’re in a hurry, plug it in.

Wireless charging is also energy inefficient — by some calculations it takes 40% more energy to charge a phone wirelessly than by plugging it in. Every 10W wireless charger we tested required at least a 15W wall adapter.

But wireless charging is convenient and requires less messing around with cables. It also means households with more than one type of phone can all use the same chargers. And for overnight charging, or any time you don’t need the absolute fastest charge, it’s a nice option to have.

We tested a total of 28 wireless chargers: 12 single-device Qi chargers, eight multi-device Qi chargers, four magnetic Qi chargers and four MagSafe devices.

We tested every Qi charger with an iPhone 11, an iPhone 12 Mini, a Google Pixel 3 (which is limited to 5W charging except on specific chargers, where it can hit 10) and a Samsung Galaxy S21 Ultra 5G, which (bear with us) can charge at up to 9W or 10W on certain Qi chargers, and up to 15W on Samsung Fast Charge 2.0 chargers.

We measured power draw from the wall using a TP-Link Kasa smart power strip ($49.99; amazon.com), taking wireless charging overhead into account. To ensure each phone was getting its highest possible charge rate, we kept the batteries below 40% by running 3DMark’s Wild Life Extreme stress test, which devours around 10% of the phone’s charge in 20 minutes.

Ease of positioning:If your phone’s induction coil isn’t aligned with the charging coil, it could charge very slowly or not at all. We checked how easy it was to place each phone on each charger; for stands, we checked both portrait and landscape mode. For devices with multiple charging zones, we paid special attention to how tricky it was to align the case for the Apple AirPods Pro, which can charge via Qi or MagSafe.

Power requirements:Wireless charging is inefficient. A 10W Qi charger requires at least 15W of input power. We checked every charger’s power requirements and its AC adapter, if included.

Charging indicators:A status LED can tell you if your phone is charging, if an obstacle is detected or if it’s fully charged. But a too bright LED or one that blinks or changes color can be distracting in dark rooms, and one that’s in a weird place may be blocked by the device. Many chargers we tested turn off their status LEDs after a few seconds, which is nice for bedrooms but does mean that if your phone isn’t aligned properly, you may not realize until morning that it didn’t charge.

Power connectors: Every wireless charger we tested connected to its adapter via Micro USB, USB-C or a barrel connector integrated into a proprietary charger. USB-C is best, since great compact 20W USB-PD and Quick Charge 3.0 adapters cost as little as $14, and USB-C to C cables are reliable and easy to find. Barrel connectors tend to have bulky wall adapters and are harder to replace if something goes wrong but do ensure that the charger is getting enough power from the wall. Micro USB is the worst of both worlds. Micro USB to C cables aren’t allowed in the USB spec, so every charger we tested that connects via Micro USB requires an 18W (9V/2A) USB-A wall adapter, which most people don’t have lying around. If you plug your wireless charger into an underpowered adapter, it’ll be excruciatingly slow. It’s easy enough to get an 18W USB-A wall adapter like the Anker PowerPort+ 1 ($13.59; amazon.com), but they’re bulkier than 20W USB-C adapters, and less useful

Coil whine:Many wall adapters, and some Qi chargers, can make a high-pitched noise when powered. Sometimes it’s down to the individual unit; we’ve tested plenty of identical chargers where one unit whines and the other doesn’t. And not everyone is bothered by coil whine; some people don’t even hear it. Still, we noted any coil whine we found.

This bar-shaped pad couldn’t deliver full power to any of the four phones we tried it with, and at 5.8 inches by 2.8 inches by .47 inches, it’s as large as many smartphones, which Anker claims helps with phone alignment. It doesn’t include an AC adapter; by the time you add one, it costs as much as more powerful, better-looking options.

This compact 15W charger performed as well as the Logitech Powered Pad and Moshi Otto Q on our tests (though we didn’t have a 15W phone to test with). If you prefer a status indicator that turns off after a few seconds, or like the look, it’s a decent option, though the AC adapter (integrated to the barrel connector) is a bit bulky, and the faux suede top tends to look disheveled unless you brush the nap in the same direction. We prefer chargers that don’t require brushing. The Logitech Powered Pad costs less and feels more substantial, while the more expensive Moshi Otto Q also supports 15W charging but uses USB-C, so it’s more flexible, and we think it looks better.

The Catch:1 Essentials 10W single-device charger is beautiful, with a linen top, matte soft-touch sides and a color-matched USB-C to A cable (though no AC adapter). It has a white pinpoint charging indicator at the rear of the pad, next to the USB port; it won’t bother you at night, but it’s also hard to see without rotating the pad.

At $40 without the AC charger, the Catch:1 Essentials is around the same price as the Moshi Otto Q, though because it uses a C to A cable instead of C to C, the Courant is a little less flexible. (You can always swap cables, but then you lose the color-matching.) If you like the style and don’t mind the price, it’s a good option, and may be the one linen thing in your house that doesn’t need to be ironed.

The second-generation Pixel Stand works with any device that supports Qi wireless charging, but it should only be considered if you have a Pixel 6 or Pixel 6 Pro. With either of those phones, you’ll be able to take advantage of up to 23W wireless charging. You’ll also get some Pixel-exclusive features like the ability to customize the charging speed between three presets and turn your phone into a mini smart display when it’s docked. It can rotate through photos, act as a sunrise alarm and help to triage an influx of notifications. These proved handy in our testing and worked without flaw — additionally, it could save you some money if you opt for this instead of a fully functional smart display like the Nest Hub. Still, though, it’s not cheap at $79.99 and isn’t the only route to achieve fast wireless charging; most would be better served by one of our top picks.

The 10W Belkin BoostCharge looks less like a charging stand and more like someone put a circular charging pad on an odd frame. Many other reviewers love it, and it does hit its advertised charging rates. It comes with an 18W USB-A charger (our unit had noticeable coil whine) and a 4-foot Micro USB to C cable. If you like the look, or at least don’t mind it, it’s a decent option, but Belkin’s 15W charger is around the same price and has a more conventional, if bland, look.

The Yootech X2 stand has a few things going for it. It doesn’t come with a wall adapter, but at least it connects via USB-C rather than Micro USB, which is rare for a wireless charger this inexpensive. It’s one of the few stands we tested that can charge an iPhone 12 Mini in portrait mode, and it’s one of even fewer chargers that can charge a Pixel 3 at 10W instead of 5W. It works fine, but the semigloss black finish and LED charging indicator, which wraps around the entire base of the stand and glows green, seem to have fallen out of the late 1990s.

If you already have an 18W USB-A charger, the Anker PowerWave Base Stand can save you some money. It comes with a 4-foot Micro USB cable but no wall adapter. Like most stands we tested, it can’t charge an iPhone 12 Mini, and the blue charging indicator ring may not be to everyone’s tastes, but it charges other iPhones and Androids at up to 10W, and its design is better than many other budget stands.

Belkin’s magnetic Qi adapter has a 6-foot cord rather than 5 (Anker) or 3 (Apple); its cord is also thicker, which could feel reassuringly solid or unnecessarily bulky, depending on your preferences. The charging pad, at .47 inches, is also twice as thick as Apple’s or Mophie’s, and half again as thick as Anker’s. It’s also the only one with a status LED. It comes with a 20W USB-C charger like the Anker and Mophie.

Don’t get this. The magnets are much weaker than any other magnetic Qi charger we tested and barely hold in place. It comes with one of Mophie’s magnetic ring sticker adapters, which you can use to make a non-MagSafe phone compatible with magnetic Qi chargers, but it barely sticks to those either, and they interfere with other accessories.

The Anker 623 MagGo is the most interesting charging stand we tested. It’s a surprisingly heavy violet-colored cylinder with a MagSafe-compatible Qi charger on top. That top flips forward up to 60 degrees to become a charging stand for MagSafe phones and reveals a second Qi charging pad underneath. That 5W charging pad is meant for AirPods, though in our testing it was able to charge phones as well, albeit slowly. And of course the main charging pad is limited to 7.5W for iPhones; it’s “MagGo,” not MagSafe.

The 623 also comes in blue, white and dark gray, and includes a 5-foot USB-C to C cable and 20W USB-C charger. There are plenty of more practical magnetic charging stands for iPhones, and some that are actually MagSafe certified. But this one’s fun, and it does what it’s supposed to. For plenty of people that’ll be enough.

The Catch:2 Essentials is a five-coil Qi charger that can charge up to two devices at once. It’s striking, with a “Belgian linen” top surface and color-matched USB-C to A charging cable. Unlike the Catch:1, it comes with an AC adapter, a color-matched 18W USB-A brick. Its five charging coils means you don’t have to be as precise about positioning as you would with a single-coil charger, though it can only charge two devices at once.

While it can charge a phone at up to 10W (9W for Samsung, 7.5W for iPhone) as well as a wireless charging case or other Qi device, it can’t do two phones at their top charge rates due to the 18W charger. (Wireless charging is inefficient; getting 7.5W to the phone requires 10W to 11W of power from the wall). Our test charger’s AC adapter also had notable coil whine.

This pad and stand combo can charge iPhones at up to 7.5W and compatible Android phones at up to 10W (9W for Samsung phones), and it can do so to two phones at once. It doesn’t come with an Apple Watch charger, but it does include an adapter for one that clips to the back left or center of the pad; the Watch charger plugs into a USB port at the rear. There’s no cable routing, though, and Mophie’s proprietary charger is bulky and ours had notable coil whine.

We like the clever Apple Watch charging puck, but this stand is just too expensive for what it offers. The proprietary charging brick showed up with something rattling around inside; we used the identical charger from the Mophie Wireless Charging Stand+, above, which suffered from coil whine.

The Logitech Powered 3-in-1 Dock, with its sci-fi curves, was the best-looking multi-device Qi charger we tested, though it takes up a decent amount of room, and it’s expensive. The pad and stand can each charge at up to 10W at the same time (7.5W for iPhones, 9W for some Samsung phones), though small phones (like the iPhone 12 Mini) can’t charge on the stand. Amazon reviewers complain that the watch charger angle is too vertical, so Apple Watches with heavy bands fall off, though I didn’t experience this with my (lightweight) Sport Band. The proprietary AC adapter is a bit bulky but has a 6-foot cable that helps with positioning.

We like that the Satechi Trio comes with an Apple Watch charger, and that it folds flat for storage. It comes with a 24W USB-C charger, which is nice. But the Trio is larger than other 3-in-1 charging pads we tested, and since the top is metal, it’s clanky and unpleasant to use on phones without cases.

The Nytstnd Quad has a five-coil, two-device Qi charger; an Apple Watch puck; a wired tablet charging area; and an optional valet tray for your pocket contents, all wrapped in leather inside a hardwood ply frame. The Qi charging coil has magnets to help MagSafe phones align properly, and the tablet charger comes in both USB-C and Lightning models.

Unfortunately, the 36W wall adapter lacks the juice to charge everything at its full rate at once, unlike the Scosche BaseLynx. The tablet connector, which is fixed in place with a slight swivel, seems like an easy failure point, and the fit and finish, especially on the oak-stained version we tested with the valet tray, doesn’t justify its high price.

One of the few third-party MagSafe chargers, this shares the sci-fi pedestal design of the Belkin Boost Charge Pro 3-in-1 but drops the Apple Watch charger. It’s a good choice if you don’t have an Apple Watch but do have a MagSafe phone and earbuds with a wireless charging case. Surely dozens of people.

The MagSafe Duo Charger is clever, compact and incredibly expensive for what it does. It can charge a MagSafe phone (at up to 14W) and an Apple Watch at the same time, then fold into a 75-millimeter-by-80-millimeter-by-15-millimeter square. It connects via a USB-C to Lightning cable, which is included, but requires a 20W or greater USB-C charger, which isn’t. Well-heeled frequent flyers could consider it, especially if you can write it off, but business travel isn’t exactly booming again. Maybe if it were half the price!

While a 48v system may charge in the 59v range and float and maintain in the 56v range, they are still considered 100% fully charged off the charger at 50.92v. So, depending on the load, a voltage reading of 50v would seem perfectly normal. While it is good to know how your battery reacts under load, knowing the recovery voltage and how to interpret the voltage in terms of capacity is also important. In a 48v system, it is considered 50% discharged when the voltage reaches 48.4v in an open circuit reading.

I have a 2009 tao tao moped with a TPE Lithium Motorcycle Scooter Battery. im having issues getting it connected again when j do screw thevterminals in therss no power i also did charge after use

Unfortunately, we do not sell that brand, but it sounds like the battery has been excessively discharged if there is no voltage. I suggest contacting the supplier and talking to them regarding their troubleshooting steps. Typically, you will need a lithium charger with a safe recovery mode, such as the Optimate TM-471 we sell, but I would follow up with them before purchasing anything.

Steve, as far as if a battery discharges faster than it charges depends on the amperage being pulled from a battery and the amperage charging the battery. Typically, most smart chargers will taper off the amperage towards the end of the charge to not heat the battery, so that can add about 10 to 20% extra time than the straight math might indicate. However, I think your issue might be a different problem. It sounds as if your controller is shutting down prematurely or is set to go to a float mode after it has been charging for a certain amount of time. I would suggest contacting the manufacturer of the controller to determine why it would be going into float mode when the battery is not full. You may also consider an MPPT controller such as our Victron Controllers as they can be programmed via a smartphone and give you more options to control your charging.

Hi great article…I have a TT with 2 trojan 6v batteries hooked up to a renogy 30amp controller and a lg 350 solar panel When I hooked them up at the beginning of year the hydrometer reading was 1265. Now the reading is 1225 but the controller says 100% 13.4v. I have been watching and the controller does boost and float and is always at 100%. Why is the hydrometer reading in the recharge area. The whole system is only 1 year old.

Carl two things maybe happening... The batteries could be sulfated and while the controller is able to bring them full charge the batteries will not hold their after they are disconnected. Or, the controller is simply not charging the batteries correctly. I would suggest charging the batteries with your normal plug in charger and see if it is able to get the batteries to full charge with a good specific gravity reading. If it is then you know the solar charge controller isn"t functioning properly. If it isn"t then you know your batteries maybe sulfated.

In parallel you are going to get double the CCA, so you may want to disconnect the parallel connections to measure your CCA with a tester. Once the parallel connections are removed you can test each battery individually even with the series connections in place as the tester will only see what is in-between the testers positive and negative connection.

The easiest method might be to contact the manufacturer of the load tester as they may have a AH to CCA conversion table for testing deep cycle batteries with their load tester. We sell a PulseTech unit that has such a table, but if your manufacturer doesn"t you can simply contact the manufacturer of the battery in question as they often have a CCA specification on file even if it is a deep cycle battery.

We have an off gritt solar system that supports a home with 240v electricity for fridge, dishwasher, washing machine and all lighting. We have around 3kw of solar panels and a 2,5 kw inverter. We store electricity in 24 6v 225ah lion batteries. We are thinking of replacing these batteries because they are more than 10 years old. We also would like to reduce the number of batteries but still have the same or better storage capacity. What would be your recommendations

Unfortunately, we don"t specialize in deep cycle lithium batteries at this time. I would suggest contacting another source if your still looking to stick with lithium.

AGM"s can hold under higher amp loads at lower depths of discharge, but they are still considered a lead acid battery and do not like being discharged below 50% as it effects their cycle life. The fridge may be able to run longer when the battery is getting excessively discharged, but the batteries cycle life will still be drastically affected anytime you take the battery below 50%. If you plan on excessively discharging the battery below 50% you may want to consider a gel battery as they withstand excessive discharge better and tend to start with a higher cycle life.

I"ve got a 100 ah battery (i"m told by the ebay seller its gel) that has a maximum voltage of 15v similar to an AGM written on the case. Its still brand new and I wanted to get a second one to wire in series but found out that they are not selling this product anymore. I wonder if I can get away with a 100ah AGM battery as the second unit in series. Also wondering if this battery is actually a gel cell if it has a maximum voltage of 15v. Thanks

I use two lead acid batteries of field charging of hobby batteries. I bought a min kota digital precision dual bank charger to charge them. This charger uses what they call a "mild equalization phase" in the bulk charge cycle. I have come back to find the charger stuck in this phase for over 24 hours. Basically it can never get past this part and there is no fault timer to kick it out of this phase. I noticed that the batteries were boiling in this phase so I stuck a voltmeter on to see what it is doing. What they call " mild equalization" is just going up to 14.7 volts for the bulk phase. The charger is obviously looking for something to get past this phase. I can only guess that it wants to see some higher voltage to move on to the float charge. I was very annoyed that it would just go ahead and boil off most of the water with no signs of stopping. When I called tech support they said that I must just have worn out batteries since they don"t have a problem with this line of charger. Are my batteries to blame or is the charger wearing them out by bulk charging at 14.7 V? They were 4 yrs old at the time and could indeed be "old".

It could be either the charger or the batteries. Most marine smart chargers have built in time limits to prevent chargers from being in operation for extended amounts of time. Unfortunately, it sounds like yours doesn"t have that feature, so it might be wise to look at getting an new charger in the end just to prevent this issue from arising. If you would like a recommendation feel free to contact our tech department. Eithew way I would also suggest taking your batteries to a local battery shop to have them tested, so you can determine if it is the charger or the batteries.

A lot depends on where you are getting the battery. If the battery comes from our store like us, then chances are the battery is going to be load tested prior to it leaving the warehouse to ensure the battery is good. Our 100 Amp load test can take anywhere from 5% to 25% off the battery depending on the battery size. This means the battery may be received by the customer between 12.3 to 12.6 volts. If the battery comes from a big box retailer or online store that"s primary focus isn"t batteries, then chances are the battery isn"t being tested. If the battery arrives discharged from these type of stores it would most likely indicate that it has been sitting on the shelf for awhile, or stock wasn"t being rotated correctly. So, the real question is what the voltage is 12 hrs after its been charged? That voltage will give you a good indication on the state of the battery and if it is sulfated. Ideally, any battery with an open circuit voltage of 12.7 volts or higher for a 12v battery is considered 100%. However, very fresh and new batteries will typically have an open circiut voltage of 12.9 to 13.2 volts 12hrs after charge.

I have a Kangaroo golf cart and it recommends a 12v Deep Cycle Gel with a minimum 31ah. What battery and charger do you recommend. The current one does not hold a charge for an entire 18 holes of golf. Thank you.

Michael, it is hard to give a recommendation with the information given... Ideally, you do not want to discharge your battery beyond 50%, otherwise you would be excessively discharging the battery. This means if you want to play 18 holes of golf your battery should be able to withstand that, and still be at least 50% charged when you get back home. The manufacturer of your cart has given you are minimum recommendation, but if you can"t even get through a round of golf on that recommendation, then you need to figure out approximately how far you have gone. Let’s say you done 14 holes and your battery has gone dead. This means the golf cart lasted 77% of the course leaving 23% left. In the end you need a battery with 146% higher in capacity than your current battery. Basically, you are doubling your 77%, which is the 100% increase, and you still have 23% more of the course left to play, so 46% is the extra 23% left on the course plus the extra needed not to discharge the battery below 50%.

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I have a Ford Transit with a single battery system. I also have a 1000 Watt inverter that I use to keep my phone and laptop charged. I have drained the battery to the point it will not start the Transit so I am trying to add additional power to keep from drawing the battery down for a longer period of time. After reading your article, it sounds like I should avoid drawing the vehicle battery down too low. Would you recommend dual batteries, a deep cycle battery, or…? I would greatly appreciate any ideas. Thank you!

If the battery is going to be inside the vehicle we recommend an AGM battery or Gel battery. If you plan to have the vehicles alternator to charge the battery your best bet is to go with an AGM. You would need to isolate the vehicle battery from auxiliary battery using a Battery Isolator. Be aware that if you plan to go this route the chemistry of the vehicle battery, and the auxiliary battery need to be the same, otherwise the isolator may overcharge one battery.

Also, the systems are sold with controllers that charge the batteries occasionally. I assume this is important to obtain maximum battery life. Any advice here on ways to ensure periodic charging is occurring?

I find most people with sump pumps have at least a 100 AH battery, but it is best to go with whatever the manufacturer recommendation at a bare minimum. The higher the capacity the longer your pump can run if AC power goes out. As far as the charger is concerned we recommend a power-supply / converter chargers if the battery will be in use while charging. Most sump pumps will come with a charger that has demand sensing technology, so you don’t end up overcharging your battery. However if your charger ever goes out, and you need to replace, be sure to get one that does work as a power-supply / converter charger, otherwise you may overcharge some batteries and learn the lesson the hard way.

This article is very helpful for me. But i have one more qn to ask. I bought a new 12v 200Ah battery.but there is no electrolyte.just empty. I poured distilled water and made to charge.after two days the plates getting coated with some white sludge.so what shud i do now.help me please.

Will 2 10’s be sufficient to carry the amp load of a 6 gage or do I have to replace the 4 10’s with 2 , 6’s . Total lengths is 20 feet , but that should only affect voltage drop

The amperage your motor pulls may be the reason the manufacturer suggest 6 gauge wire to be the best selection. I know out of experience that our 10 gauge custom cable that is 8ft long only handle up to 30 amps. Given your distance and the amperage the motor pulls you could very well need the 6 gauge cable. If you are looking to substitute with a different gauge i would suggest talking with the manufacturer.

We recommend that you use a Battery Isolator when charging through the alternator so you don’t overcharge a battery. They are designed to charge not only the caravan’s battery in your case, but an additional battery pack. The key thing you need to know with isolators is that you need to match the chemistry so that it knows how to charge the battery correctly. Another words if you have an AGM battery for your house battery, then you should have an AGM under the hood as well. This will ensure the isolator charges the batteries correctly and doesn’t overcharge the battery. I have heard of isolators that can determine the charge if chemistry doesn’t match, but they are extremely expensive, and I’m not sure how reliable they really are. It is best to just match chemistry in my opinion.

Im a designer/installer and have read literally hundreds of guides and tutorials over the years and none are a patch on this – hats off, you’re brilliant – and crazy helpful to have provided answers to every question posted here individually, for free, despite you having already answered 99% of them in your other excellent articles!

Fantastic article though I admit even the laymans terms seems to go over my head. I live in the UK and have a QUICKIE Jive Midwheel drive wheelchair made by Sunrise Medical which uses 2 × 12volt 70 amp sonneschein GEL Batteries I Have a 8amp Gel battery charger but in the 27 months I have owned the chair I’ve had to have 4 sets of replacement batteries as they fail after 6 months apparently ( according to the manufacturer) because of a faulty Cell. I have followed the manufacturers guidelines with charging the battery, which states as soon as you’ve finished using the chair put it on charge. . Though I often wait about 5 hours to put the chair on charge. I do this and then leave it. So the chair gets between 13 & 18 hours charge even if I have done only 5 miles, which is my about my average daily use. Should I put the chair on charge straight away the leave it alone even If I need it? I have my manual wheelchair to get about in inside my house. Any help to prolong the battery life is greatly appreciated. I have repeatedly asked both Sunrise medical & sonneschein for help over the past 2 years with n how to alleviate this problem but have had no reply.

I would definitely not leave the batteries sitting in a discharged state, plus it is never recommended to discharge a battery more than 50% so if your 5 mile run does this then that could be affecting the batteries life. If you are not running them below 50% then I would look to the charger, and be sure it is at least a 3 stage charger, anything less is not recommended for those size batteries. Feel free to contact our Tech Department for assistance.

I am in the process of upgrading my solar electricity in my house and need information regarding what electrical appliances 8 AGM batteries will be able to power. I already have a solar panel array in place that is powering a solar water pump very effectively. I suppose I need to tell you the amount of watts the panel produces but do not have that info. at this time. Is it likely that I can replace my propane frig. with an electric refrigerator, run power tools without the generator on, etc.?

Great article. However, it seems that no matter how many articles I read on batteries, I can’t seem to grasp a full understanding of how it all works. And I say that because 6 years ago I purchased a highly modified EZ-GO golf cart that I use to get around the woods of southwestern Pa. year round. Our temps run in the high 80’s in the summer to the mid teens in the winter, and at times lower. I have a 48-volt system using 8 six volt T-105’s and a smart charger for the cart, and for my headlights and winch a separate vehicle 12-volt battery. Now, I’ve read that I should not discharge my flooded T-105’s below 50%, but in all honesty, that is at times impossible to do. The woods are not that short in places, and at times…well mud is mud and you can’t predict it. However, I always check my water levels…they seem to remain a constant…and I always clean my terminals monthly, even if they don’t seem to need it. Your suggestions of using grease is great and I will do that on my next cleaning session. Now, I have installed a new Warn winch and I winch my cart on and off my truck. I currently have one 12-V auto battery in the cart, but I am concerned that I may be “out there” and the 12-V simply run out o