Скачать или смотреть How to make power bank with 9 volt battery /mobile charger with 9 v battery/emergency mobile charger

Hello friends in this video i tell u how to make power bank with 9 volt battery or mobile charger with 9 volt battery when ur moible sw off u can use this circuit as a emergency mobile charger

This is very easy circuit to charge your mobile in emergency with 9 volt battery u can use this circuit with 9 volt to 12 volt battery #electronicsandtechnicalhub

Circuit Link:- https://ethcircuits.com/9v-battery-to...

Parts:- 7805 voltage regulator ic, small led, 470ohm resister, usb female connector, 9volt battery and any small box or bottle cap


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