How To Charge A Car Battery With A Trickle Charger. If yours does not do this, you will definitely want to keep an eye on the process to make sure your battery doesn’t wind up overcharged. Once your connections have been made, ensure that all of the proper settings are set as per the manual's recommendations for the type of battery you're charging.
It is straightforward to use a trickle charger. A trickle charger slowly provides the charge to the battery, while preventing normal depletion of charge that batteries generally have. Do not keep the car on the ignition and take off the keys from the ignition.