Upgrade Your Old Torch Light | Upgrade To A Li-ion Battery | POWER-GEN 

Upgrade a LED Torch Light from Lead-acid to Li-ion Battery using TP4056 1A Li-Ion Lithium Battery charging Module with a 18650 3.7v li-ion battery
More detail - powergen522.blogspot.com/
Battery controller circuits - goo.gl/YVHokC
TP4056 Li-ion Battery Charging with Protection Board
Amazon - amzn.to/2YL6bvz
18650 3.7v li-ion battery
Amazon - amzn.to/3IDhwW4
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Click the link to see more videos on the playlist
1)Monitoring & controlling project circuits - goo.gl/UUT2CG
2) Inverter circuits - goo.gl/xz33Uu
3) Chaser LED lights circuits - goo.gl/5aRnU4
4) DC Power supply circuits - goo.gl/yt4fuP
5) Remote control circuit - goo.gl/rJzx1d
6) LED-based circuits - goo.gl/pga5qh
7) Relay-based circuit - goo.gl/Q4r7XM
8) PIC Microcontroller project - goo.gl/9tNaVm
9) Relay-based circuit - goo.gl/J4u8BD
10) Battery controller circuits - goo.gl/YVHokC
11) Repair works - goo.gl/11uPxn
12)Transformerless power supply circuits - bit.ly/3mdv8ei
13) solar System - bit.ly/2m0g4q6
14) Audio System - bit.ly/34ZSlYt
15) Useful Tool videos - bit.ly/2k3xodc
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