Therefore, here we introduce key size power bank which can charge any mobile wherever you want.
Step 1: MATERIALS REQUIRED
1 AA Rechargeable cell (1.2V)
Switch (micro-slide switch)
Lots of tape
Step 2: MAKING
Attach the separate wire '+' terminal of mobile to the side terminal of the switch. And then take the other wire and attach it from the middle terminal of the switch. ( it will be positive line of power bank)
Now we will take the separate wire which will be attach from '-' terminal of rechargeable cell. ( it will be negative line of power bank)
Step 3: FINALLY YOU CAN CHARGE YOUR MOBILE
Step 4: FINAL STEP
This device can charge anything which charges with 5V.
Thank you for viewing this instructable !! :) :)
If you have any type of queries regarding it. You can contact me at - email@example.com
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