Introdução
This guide shows you how to access the USB ports on a Power Bank #2695. When plugging in a micro-USB cable to charge your power bank and lights illuminate or only a single light illuminates, or when plugging in a USB-A to charge another device and no charging takes place, the USB ports inside the power bank may have broken free. Follow this guide to see what’s wrong, make a repair, and start charging your power bank (as shown in above video).
Ferramentas
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Gently squeeze the power bank with a quick grip/clamp as shown.
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The power bank should separate under gentle force from the grip/clamp.
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Continue to separate with your fingers or plastic pry tools.
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Use a 10x loupe to inspect the back side of each USB port.
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If the pins are not in contact with the pads, they will need to be resoldered.
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Apply heat to the top metal of the micro-USB port.
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Squeeze USB port to PCB with a pair of pliers.
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Apply fresh solder to USB pin and PCB pad.
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Solder should wick in, allow to cool before reassembling.
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Use a small amount of plastic compatible epoxy to seal both halves back together.
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Use a 10x loupe to inspect the back side of each USB port.
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If the pins are not in contact with the pads, they will need to be resoldered.
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To reassemble your device, follow these instructions in reverse order.
