Battery Power Banks

Best External Battery Power Banks: The Best Sellers on Amazon in 2017

Now it's approaching the end of the wonderful 2017. You probably have purchased many useful electronic items from Amazon. Getting a reliable power bank from Amazon is something you might want to do, because we need power banks to keep our mobile phone, tablet or other USB devices charged anytime. We do use our devices too frequently nowadays. Instead of looking for an electrical outlet wherever you are, a portable power bank with backup power will solve your problem.

A reliable power bank is an external battery pack that stores enough electric power inside, and as portable as a smartphone's size that you can take it with you anywhere you go. From the positive reviews and good sales on Amazon, we round up the following power banks as a best power bank list in 2017. You might find what you want.

1. Anker 20100mAh Portable Charger PowerCore 20100

This Anker portable charger enjoys Amazon's #1 Best Seller and over 4.5 star rating from 11,527 customer reviews. People like it because of its incredible chartging ability and the enormously large capacity 20100mAh. This power bank can give your smartphone or tablets many charges, for example, it can charge an iPhone 7 almost 7 times. The power bank has an ergonomic design in its shape, making it more portable on the go.

2. Power Banks RAVPower 22000 Portable Charger

This RAVPower 22000mAh power bank is also a #1 Best Seller with over 4.5 star rating from 5,167 customer reviews. This power bank has 3 iSmart USB output ports, with up to 5.8A in total. It can charge three devices simultaneously. However, it does not support Qualcomm Quick Charge. The whopping capacity 22000mAh is able to charge an iPhone X almost 5 times.

3. Aibocn Power Bank 20000mAh Portable Extenal Charger

This Aibocn power bank with 20000mAh will serve your mobile devices well. This power bank is rated 20000mAh, one of the best high capacity power banks on the market. It can hold quite a few charges for your mobile devices, like your smartphone, tablets and other USB devices. It has a portable handheld size, 6.44*3.16*0.98 inches. The lightweight and protable design makes it extremely easy to carry around for outings. The dual USB ports, 2.0A and 1.0A, allow you to charge 2 USB devices at the same time. This high capacity power bank has perfect built-in protection from over charge, over discharge, over voltage, over current and short circuit issues.

4. Upgraded Poweradd Pilot Pro3 30000mAh Power Bank

Poweradd upgraded Pilot Pro3 power bank has improved charging efficiency. It comes with 2 USB cables. The dual input port design will greatly shorten the time charging the power pank. As for output, 3 USB output ports, with 2.1A per port, are able to detect devices' charging current automatically and smartly for optimum power delivery. The ultra high battery capacity 30000mAh ensures great charging capability. This will give you conveniences to recharge all your drained devices. An fully precharged Pilot Pro3 is able to give 10 charges for iPhone 6, or 5.5 charges for Nexus 6P, or 2.5 charges for iPad Pro 9.7 inches.

5. EVOTech Labs 10,400 mAh Stainless Steel 3- Port USB Portable Charger
This power bank is made of stainless steel with finely finished surface. It looks very beautiful and feels very sturdy. The 10400mAh capacity enables the power bank to hold quite a few charges for your mobile devices. It has 3 USB ports with up to 4.5 amps in total. The typical USB port, rated 2.5A, is able to charge your smartphone or tablet rapidly, up to 6 times as fast as a computer USB port. It takes only 5 to 6 hours to fully charge the high capacity power bank. The beautiful design with the impressive charging ability is a great choice for your mobile devices.

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