Reuse Old Batteries As A Power Bank

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Reuse Old Batteries As A Power Bank: crwdns2935265:00crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

Press down the anode and cathode.
Apply electrical tape, making sure to fully cover the anode and cathode.
Install the button on the middle frame and the power board.

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