2 of 3 people found the following review helpful
Failed after less than 20 full charges!,
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This review is from: EasyAcc 12000mAh Power Bank (4 USB Ports) (Personal Computers)
External battery packs are not expected to last forever, but they should be able to manage around 500 charges. As it gets nearer to the 500 mark some deterioration would be expected, but this pack didn't even manage 20 charges. I would attempt to fully charge it, then immediately after I had finished charging it, I would plug in my phone and the battery pack would not charge the phone at all. My advice is to steer clear of this brand and try a different brand.