State of the art DSPbased system.IGBT based rectifier to obtain input power factor close toUnity (0.99).Low noise level smaller than 65 dB.Very low voltage and current ripples smaller than 2%.Facility to receive data via RS 232 communication onlaptops for on-line data monitoringWith on-board display unit to change the working mode andcheck the status of unit.Capability to charge battery in constant voltage as well asconstant current mode for different type of batteries (VRLAand LMLAwith different current hour ratings).