State of the art DSPbased system. · IGBT based rectifier to obtain input power factor close to Unity (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 on laptops for on-line data monitoring · With on-board display unit to change the working mode and check the status of unit. · Capability to charge battery in constant voltage as well as constant current mode for different type of batteries (VRLA and LMLAwith different current hour ratings).