How To Charge Your Car Battery With A Charger. Sulphation is your batterys worst enemy. Do the same with the negative ones.

Connect the chargers positive cable to the batterys positive terminal. Plug the charger in and turn it on an ammeter should indicate whether or not the battery is charging. How to Charge Your Car Battery.
Since you do not have an actual charger you will lack positive and negative terminals.
Overcharging a 12V can lead to completely drying out the battery or encourage the battery to consistently push out more energy so it never reaches a full charge. If your car battery is 12 volts and you happen to scrounge up a 19-volt charger from say an electronic device the voltage level of the latter is too high but it will suffice nonetheless. Overcharging a 12V can lead to completely drying out the battery or encourage the battery to consistently push out more energy so it never reaches a full charge. You need to put the charge back in using one of two methods virtually anyone can successfully complete using a car battery charger or jumpstarting your battery from another running vehicle.

