Disappointing

Worked ok for awhile but then like it knew... at the end of the return period, it crapped out. See the 2 lights? That's as far as it goes on charge. Should be 4 lights indicating full charge. The real problem is that it no longer delivers power to my phone. My phone will stay at 25% while hooked up to this "power bank". I took it apart to see if there is a loose connection I could fix, there is not. Unit was not dropped nor dunked. It just went bad.

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