how to build power bank for mobile charging ?
- need chargable cell - 2
- need one diode IN41008
- usb connector
- need power cell box
- wire
- need chargable cell - 2
- need one diode IN41008
- usb connector
- need power cell box
- wire
use - how to charge my mobile without charger when you going outside area ?
- no have a light in your home and your mobile bettery low then how to charge?
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