How To Charge Batteries At Home. The number of amps needed depends on how flat the car battery is. Which also depends on battery size and energy usage.

1 How to Charge a Dead Car Battery With a charger. 2 ways to charge a car battery at home. Connect the power supply positive to battery positive and negative to negative.
Using the wrong charger or at the wrong setting can damage your battery.
Youll plug your car into a standard 110-120 volt socket using a 3-prong grounded plug. Using the wrong charger or at the wrong setting can damage your battery. We will go into detail about each one below. From a computer or a printer.
