Home Made Power Bank 70000mah

This video by homemade powerful Power Bank long time lasting Power Bank 70000 mah Power Bank 70 how to make homemade Power Bank
This video any electronic things

12 volt battery
POWER bank two socket module
5v transistor LM 7805

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Welcome to my YouTube challenge my name is Swarup Saah my YouTube channel name is Swarup electrician my YouTube se provided by ectrics light and active component all electric device simple life hacks and electric experiment and simple school project DlC motor simpel idea