Power Bank From Recycled Laptop's Battery

recycle your old laptop battery.... and make 7800mah power bank

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..

Step 4: