How to Make a Mini 2 in 1 Portable External Power Bank Charger

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Intro: How to Make a Mini 2 in 1 Portable External Power Bank Charger

Our 2-in-1 power bank combines the best of a wall charger and portable power bank into one convenient device. If this 3000mAh 2-in-1 Power Bank ever runs out of juice, you can simply detach the top portion and plug directly into a power outlet.

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