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Jack Reed
Jack Reed

Portable Usb Battery Charger Best Buy



Our solar charger experts have been rigorously testing the best solar chargers on the market for almost 10 years. After reviewing over 65 models, you could say we know a thing or two about top portable technology. For our review update, we purchased 10 of the top models for in-person testing. While assessing each panel's charging abilities, we narrowed in on the best of the best to highlight. From gigantic panels designed for expeditions and car camping to pocket-sized battery packs made for the backcountry, we've been able to hands-on test a wide variety. The result is a detailed summary of our findings, with the best solar panels for specific uses highlighted. Ready to join the solar revolution?




portable usb battery charger best buy



The OEUUDD 25000mAh battery pack is a high-capacity battery; it has three USB ports that deliver rapid charge to small electronics. We love that it has a large capacity and can fully charge a phone multiple times when the battery is topped off. Additionally, the small solar panel works well enough for the battery to replenish using solar, though it takes longer than traditional panels. In addition to all these great features, the OEUUDD 25,000mAH rings in as one of the most reasonably priced options for solar charger set-ups.


Now more than ever, solar technology is growing in popularity. In this updated review, we've tested a wide variety of portable models. Our current line-up includes small panels with built-in battery packs to massive 50W behemoths. By spending time testing these solar panels on the road, we get to see firsthand the latest and greatest #vanlife solar setups. After looking over several options, we rated each on four important metrics: direct solar charging, indirect solar charging, multiple device charging, and portability. Whether you are looking for a solar setup for car camping or a compact charger to power your iPhone while on a backpacking trip, our review offers excellent recommendations for anybody.


Dozens of companies produce affordable, effective monocrystalline panels ranging from small 5W models to more substantial, powerful options that will allow for a faster charge. These monocrystalline models are much more effective and lightweight than their polycrystalline forefathers. We tested a few small wattage models that were portable and lightweight. The OEUUDD 25000mAh, has a larger capacity battery and a 5W panel. While it doesn't function as well as some of the larger solar panels, their ability to charge our devices made them forces to be reckoned with.


Just as was the case in past reviews, panels with large-capacity battery packs and small-capacity solar panels tend to charge our electronics quickly but take eons to charge via the sun. With this style of charger, we recommend topping off your battery pack at home before bringing it into the field.


During our testing, we also checked out each panel's accessories. Panels that don't come with a built-in battery are often paired with a top-quality portable external battery pack. This arrangement allows the panel to charge the battery during the day while you're using your devices, and you can charge your device at night via the external battery. External batteries are an essential addition to any portable charging kit. Most modern tablets and smartphones demand higher power (like 2A charging ports), and this becomes harder to produce from the sun (which is variable at best). Instead of bulking up the solar panels themselves and making them too cumbersome to use, we found it much more effective to simply charge external batteries on a rotating system to keep a constant stockpile of fully charged battery packs ready to go. That way, you have a lighter-weight solar charger that charges a high-quality external battery. This battery can, in turn, produce the necessary 2A of current to charge small devices. Overall, we generally prefer going with a top quality panel paired with a great battery rather than choosing a battery with an integrated panel.


Unlike some other products we test here at OutdoorGearLab (we've tested bikes- non-electric models -that cost more than our cars!), portable solar chargers tend to be on the affordable end of the outdoor gear spectrum. However, even with such a reasonable price point, some models had much better value than others. For example, the reasonably priced OEUUDD 25000mAh performed exceptionally well across the board, even standing up to some of the more expensive, higher capacity models like the Goal Zero Nomad 50. Other models cost a pretty penny and did not compare to the high scorers in our side-by-side tests. To determine the value of the products we gauged the ability to charge, the portability, and how many devices the panel could charge against the price. This metric often comes down to being the most important as it determines the actual worthiness of the product.


We set each one in full sun for thirty minutes to test the panels and noted how much charge the phone received. This way, we could obtain a good read on how efficiently the individual models worked over extended periods. We also timed how long it took each one to charge our 10,000 mAh portable battery packs, so we also had that data to compare. In general, this size battery can charge an iPhone from 0 to 100% about two times.


The panels that cleaned up in this metric in terms of weight were the Dizaul 5000mAh Portableand the Blavor Qi 10,000mAh. These models are the latest in battery-pack/solar charger combos, and we were impressed to see manufacturers getting this design into such a compact shape and size. These two panels weigh 4.8 ounces and 9.3 ounces, respectively.


MyCharge's Hub portable chargers come in a few different sizes and not only have an integrated foldable wall plug but integrated Lightning and USB-C cables, so you can charge both Apple and Android devices. It's a little bulky, but with a 4,400-mAh battery, it should be able almost fully charge your smartphone, depending on its size. The step-up 6,700-mAh model is about $20 more.


The Anker 523 PowerCore Slim 10K PD is impressively slim for a 10,000-mAh portable phone charger and has a fast 20-watt USB-C out charging port (it's also a USB-C input to charge its battery), plus a 12-watt USB-A out port. While the Anker 313 PowerCore Slim 10K is cheaper, the fast USB-C out charging makes spending the extra dough worth it if you have a USB-C to Lightning cable.


The Anker PowerCore III 10K portable charger has fast USB-C out charging (18 watts) as well as a USB-A port and up to 10-watt wireless charging. It's not magnetic, so your phone won't stick to it but it will wirelessly charge any Qi-enabled devices.


Thanks to gallium nitride technology, chargers have been getting more powerful while shrinking at the same time. The latest example of that trend is Anker's new line of GaNPrime chargers with next-generation GaN 3 technology that the company says is even more energy-efficient. The Anker Power Bank 733, which combines a 65-watt charger with a 10,000-mAh portable battery, is part of the new GaNPrime line. It's pretty compact for what it is and offers two fast-charging USB-C ports and one fast-charging USB-A port. You can charge up to three devices at once, but note that to get a full 65-watt charge for a laptop, you'll have to plug in just the laptop.


This Anker model is basically an oversized wall charger with a built-in 5,000-mAh battery. It's got two standard USB charging ports for simultaneously juicing up your phone and a secondary gadget (or two phones). And a little LED indicator on the side lets you check the charge level at the press of a button.


MagSafe is compatible with all iPhone 12, 13, and 14 models, from the mini to the Pro Max. We have reviewed and compared the major MagSafe chargers to find which options work best with the your holiday device.


On the bottom of the pack is the power button that you need to press in order for the pack to start charging your phone -- something I forgot to do multiple times during my testing. You can charge the battery pack at the same time as you're charging your iPhone, as long as you connect to the USB-C port on the pack with a high-speed charger. There are multiple colors available for you to pick from.


The best MagSafe battery pack is the myCharge MagLock Magnetic Power Bank. While the price of this battery pack is on the higher end, the capacity options and ability to charge two devices at once makes this pack hard to beat.


The best lightweight power banks rarely offer the most capacity but they're easy to store. The kind of devices you hardly notice you're carrying, they're there to help you out of a jam. While you won't be using them to recharge your laptop or games console, they're good for a quick boost to your phone when you've realized you overestimated your battery's capabilities.


We checked out major retailers like Target, Home Depot, and Amazon to find the most well-known and widely available makers of rechargeable battery chargers. From there, we built a list of contenders based on the following features:


The TN480U has eight individually charging battery slots, each of which is able to charge AA and AAA batteries. Plus, in our testing we found that the TN480U can also charge AAAA batteries (used to power some super-slim devices, such as laser pointers and styluses), even though this is not an advertised feature. Like our other picks, this charger is designed to charge NiMH and other nickel-based batteries, including those we recommend in our guide to the best rechargeable batteries. In our testing, the TN480U charged batteries slightly slower than our other picks, taking about two and a half hours to fully charge two AA batteries.


Most people could use a USB power bank (also called an external battery pack, backup battery, or portable charger) to keep phones and other devices charged while on the go. The question is, which one best fits into your habits? Some might need only a small battery to give their phone a boost at the end of the day, while those who travel a lot may be looking to power multiple devices over the course of several days. Rather than always having to track down a wall outlet wherever you go, owning a USB power bank allows you to enjoy a conveniently portable (albeit limited) power supply. 041b061a72


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