Making a Smart Battery Charger | Charge Any kind of battery with Auto Cut off Protection
8:16
Convert Your Old Computer's Power Source to a Battery Charger - You Haven't Seen This Method Before
7:00
Auto cut off 12v battery charger with 220v ac directly
8:06
How to Make a Variable Power Supply Using any Adapter
11:17
Make a 12v Battery charger with auto cut off, using UPS Transformer
6:53
So Don't Throw Your Old Phone Charger Away! - More Than You Think
4:51
This DIY device is a must-have in every home
14:53
DIY Auto Cut-Off Battery Charger | Adjustable Battery Charger with Charge Protection
17:00