Make power bank with 9v battery | ചിലവ് വെറും 30 ₹ മാത്രം| simple method |Mallu Tech Hub

In this video i will show you make a power bank with 9v battery by simple method

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https://youtu.be/nF84QHO29vQ

.ചിലവ് വെറും 30 രൂപ മാത്രം...... 🙂

Circuit diagram

https://youtu.be/nF84QHO29vQ




👇Circuit diagram 👇



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