Step 1: MATERIALS REQUIRED
1 AA rechargeable cell (1.2V)
connector( charger connector)
switch( micro-slide switch)
lots of wire
Step 2: MAKING
Now, we have to attach the wire from '+' terminal of rechargeable cell to the '-' terminal of mobile battery.
Attach the other wire with '+' terminal of mobile battery to the side terminal of the switch.
And then take the other wire & attach it from the middle terminal of 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 .
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