Proper Way To Charge A Car Battery. Install charger - Install the battery charger to the battery starting with the positive terminal and then the negative. The correct way to charge a flat car battery is to get it home and use a dedicated car battery charger.

If this doesnt work you may need to leave the working vehicle running for a couple of minutes. Then plug the charger in. Start the car with the good battery that provides the electricity.
The correct way to charge a flat car battery is to get it home and use a dedicated car battery charger.
Specialized car battery chargers may also have a built-in gauge. Connect the chargers positive cable to the batterys positive terminal. Plug in charger - Plug the charger using an extension cord if necessary into a grounded wall outlet and turn the charger on. Most of the time the following should be done to ensure a safe charge.

