hot speed fast lead acid battery charger (unboxing and testing)
7:51
D.I.Y wind turbine generator motor 12volts 500watts
20:54
INGENIOUS TOOLS YOU'LL WANT TO BUY
7:49
A exceptionally good way to charge LiFePo4 battery
10:47
Unique use of an old car wheel! Why hasn't anyone done this before?
3:25
Making DIY 4S Battery Pack on PCB || Next Builder
6:16
Mix Coca-Cola with Charcoal 😱 You Will not Believe the Incredible Result
10:12
Knife Like Razor Sharp! Sharpen Any Knife in 1 Minute with an Old Battery
12:17