Reuse Old Batteries As A Power Bank

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Reuse Old Batteries As A Power Bank, Secure the battery: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

Reuse Old Batteries As A Power Bank, Secure the battery: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

Secure the battery

Press the button. For this project, the power bank is 33% full.
Apply foam to secure the battery.

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