Joined in 2023 
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63 About this deal
Most power banks now use a USB-C port to recharge, although some models will have a micro-USB port as well to ensure compatibility with older chargers. Don’t worry if you don’t have the required cable, as one will usually be provided in the box. Wireless charging has become popular because it allows you to power up compatible devices without a cable. Qi is the dominant standard for compatible Android phones (up to 18W) while Apple iPhones rely on MagSafe charging (up to 15W). iPhones will charge wirelessly on Qi chargers, but only at 7.5W.
The Newdery Battery Case scored 96% in our test, showing that it will supply very close to a 100% recharge—better than any MagSafe power bank that we have tested so far. While you can’t charge a phone simultaneously with a wired and the wireless connections, it does charge the phone and power bank together while plugged to power. Nearly all batteries include a standard USB-A port (output). This is for plugging in USB-A-to-micro-USB, USB-A-to-Lightning, or USB-A-to-USB-C cables for charging your iPhone or Android device.You don't need all those extras: The Anker Prime power bank is pricey, and if you don't care about monitoring charge Wattage or days of battery life, find another option. To test charging times and claims, we charged a Samsung Galaxy S23 Ultra and an Apple iPhone 15 to determine how many charges each battery offers these devices. We chose a common smaller battery phone as well as our best phone overall for this purpose. The iWalk power bank also boasts a sizeable battery, with 2.2Wh (6000mAh) capacity. It recharged our test iPhone 13 Pro to 100% and then another 5% above that, so, in reality, a full charge with a little over for expected battery drain if left sitting in your bag for a few days. And it will charge a non-Pro 12, 13, 14 or 15 even further.
Capacity: Decide what battery capacity you’ll want. The higher the capacity, the more charges it can hold. With that in mind, the higher you go in capacity, the higher the price and the bigger the charger will be. Capacity is measured in milliampere-hours or mAH. 5,000mAH is standard and will recharge your phone once completely, on average. Most companies advertise how many times their products can recharge popular phones, but if you want to calculate that number for yourself, RAVPower has a useful guide that can give you an estimate. In terms of charging, this massive power bank can charge an iPhone 15 more than five times. It can charge a big Galaxy S23 Ultra's 5,000mAh battery three-and-a-half times. Best of all, it charges at the fastest speed available on most of your favorite phones (excluding Oppo/OnePlus's unusual SUPERVOOC battery). Anker batteries also look great and are built with high quality parts. The display on our best battery for power users is bright and sharp OLED display, totally unnecessary for a power bank, but that's what makes Anker the best. It far exceeds our expectations of what's necessary to make power banks that are great. That means I could twist my phone sideways into landscape mode and use the Baseus power bank as a portable stand for Apple's new StandBy mode, which is one of my favorite features on iOS 17, and certainly the one I use the most often.
What is a MagSafe battery pack?
There are plenty of other power bank makers around, and most of them have not caught up to the faster charging speeds available on the iPhone 15 family, let along even faster Android phones. Except for unique form factors or serious bargains, we stayed away from recommending power banks from reputable makers if they couldn't charge at 2023 speeds.
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