The Intellicharger i4 is a universal, automatic smart-charger compatible with almost all types of rechargeable batteries, thus elimination the need to own several chargeres. The i4 is able to automatically identify Li-ion, Ni-MH and Ni-Cd rechargeable batteries and apply an appropriate charging mode (Constant Charge Current[CC], Constant Charge Voltage [CV] and Trickle Charge). Each of the i4's four microcomputer-controlled chargins slots is capable of monitoring and charging batteries independently. Additionally, yellow and blue power/charging status indicarot lights visibly indicate battery status and chargins process. It's as simple as insert, detect and charge. --Capable of charging 4 batteries simultaneously. --Each of the four battery slots monitors and charges independently. --Optimized charge design for IMR batteries. --Automatically stops charging when complete. --Features over-charge prevention to protect batteries and charger. --Made from durable ABS that is fire retardant and flame resistant. --Reverse polarity protection. PRC