Specifically designed for Lithium ION batteries used in many new Camcorders and digital cameras, including all 1998 Sony Camcorders. Automatically charges 3.6v and 7.2v Lithium ION batteries using constant current/ constant voltage (CC/CV) method. Internal timer prevents overcharge Operates on AC / DC current. DC cord allows user to operate charger from a car cigarette lighteradapter or other 12v source. LED lights indicates charge status.