Provided SMPS Battery Chargers are acknowledged for their compact shape, quick transient response and low ripple effect. These systems are capable of charging batteries under constant current and voltage. These are mainly used for recharging batteries of automobiles, UPS system, lead acid inverter and also for maintenance free sealed inverter. SMPS Battery Chargers are equipped with in built cooling fan and digital ampere meter. These are totally protected against over current, under voltage, reverse polarity of battery and over voltage conditions. Terminal blocks of these battery chargers are covered for secure connection. Fast charging method of these systems helps to save electricity usage rate.