The Nitecore intellicharger i4 is a universal, smart charger compatible with almost all types of rechargeable batteries thus eliminating the need to own several chargers. The innovative charger is able to automatically identify Ni-MH and Ni-Cd rechargeable batteries and apply an appropriate charging mode (CC, CV trickle charge). Each of the charger has 4 microcomputer-controlled charging slots which are capable of monitoring and charging batteries independently. Additionally, charging status indicator lights could visibly indicate battery status and charging process. It’s as simple as insert, detect and charge.