This is a schematic diagram of a full automatic 12v battery charger for charging the batteries of automobiles etc. This circuit has a maximum 2 amperes charging rate. The circuit will charge automobiles batteries without removing them from their original mounting and no need of
constant attention because the circuit will automatically switches from charging current to trickle charge when the battery will become full charged. And the lamp in this circuit will glow to provide the indication of this condition. The circuit is good to use as a car battery charger and for charging the batteries of other automobiles etc.