Makita DC18RC 7.2 - 18v Li-ion and Ni-MH Fast Battery Charger The Makita DC18RC fast battery charger has been designed with a cooling fan and active 3 controls meaning that during the loading of the charging voltage, charging current, and temperature is held in the holes. The cooling system blows cool air into the battery resulting in the temperature within the battery is lower, so that the battery life is extended, and the charging process is accelerated. The battery charger when used in conjunction with the charging adapter ADP03, offers the possibility of charging Ni-MH slide on batteries of 9.6V to 24V batteries or when used with charging adapter ADP04 this charger offers the possibility to charge Ni-Cd and Ni-MH rod and block batteries of 7.2V to 18V batteries.