Introduction: Power Bank From Recycled Laptop's Battery
recycle your old laptop battery.... and make 7800mah power bank
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Step 1: You Have to Need Old Laptop Battery
you have to need
old laptop battery
and old power bank circuit..
and container box..
Step 2: Then
fix the circuit inside the container box and cut box as photo
Step 3: Then
Join battery to the circuit..and fix battery to the container box..