How to make a Emergency phone charging power bank using 9 volt Battery at home | diy

How to make emergency mobile charging power bank using 9 volt battery at home diy very easy.
Note : battery volt 9 volt 🔋
👉Output voltage 4.9 volt
✅Circuit diagram
1:54
Products required:
• 9 volt battery & connector
• IC 7805
• 1k resistance
• 4volt led
• Female usb port
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v good

[@khisal786iftikhar]

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[@AliRaza-ov2yp]

Great

[@mianfaiq8907]

Y to mjy b bna dou brother