I received my device today. I came without instructions. I put it in the wall and flashed at 188% in both places. I wondered if I should put the batteries in for charging before I plugged them in, unplugged them, waited about 15 seconds, plugged in the batteries, then plugged them into USB power. There's nothing good there either. After fumbling at position #1 it always shows a "empty" dead battery and no charging occurs whether the battery is plugged into socket #1 or not. Position #2 indicates that it will charge when no battery is installed. When I insert a battery that needs to be charged, the display immediately shows 100%, which is incorrect. I have tried 4 different batteries, disconnected and reconnected the installed batteries before or after 2 different working wall chargers, both brands from Aukey, both rated at 2.1A, both work great with various other devices. The charger is back.
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