This Intelligent Charger is designed to fulfil the charging needs of electric vehicle batteries. Based on switch-mode power conversion technology. This Intelligent charger is capable of operating under a wide input AC voltage range of 170 ~ 300VAC. It has been designed to withstand adverse power conditions. Efficient, compact in size, 5 stage battery charging algorithm are some of its salient features. Its high efficiency and battery life extension features are its unique points.