In this video, i will use a 12v 2 Amp Transformer and a fan speed controller to make a variable output voltage power supply for operating DC Motor and charging my 12v Batteries.
Capacitors are optional but their use makes the output dc line smooth.

My Dremel here : https://www.banggood.in/custlink/33Dy...
My Adjustable Power Supply : http://bit.ly/2IAhX6b
My Cordless Hammer drill:http://bit.ly/2qzpk7e
20%OFF Coupon Code for Hammer drill::BG7322
My MUSTOOL X1 Clamp Meter:http://bit.ly/32n1U3s
My Stainless steel digital Vernier caliper:http://bit.ly/2PlJElW
My Bench Drill Press:http://bit.ly/38rMc9V
Heat Shrink Tube : http://bit.ly/2whf9Dy

#batterycharger #12v #actodc #220v #amazing