Reuse Old Batteries As A Power Bank

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Reuse Old Batteries As A Power Bank, Test charging: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0

Reuse Old Batteries As A Power Bank, Test charging: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

Test charging

Connect the phone to the power bank. The phone can be charged.
Connect the charger to the power bank. The power bank can be charged too.

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