You can charge your Phone using Onion

If you make this charger you need some component in List billow.

— Onion
— Anode and cathode
— Vinegar
— Five volt Power Bank circuit

Now you make a charger Like this.

— This charger you can use at travailing or outdoor

How to make a portable charger?
Home made portable power bank.
Onion Charger
Turn Onion into mobile charger USA. America
turn penny to gold changing

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