Makita Fast Battery Charger DC18RC LXT Lithium Ion 18V charges Makita batteries from 14.4V to 18V The DC18RC is a compact sized fast charger which takes only 22 minutes to fully charge a 3.0Ah Li-ion battery. The innovative computer controlled charging system provides optimum charge to each battery through the digital communication between charger and battery. The internal cooling fan keeps the battery temperature low for minimum charging time. Features: The DC18RC has a cooling fan and Active 3 Controls This means 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 As a result, high temperatures occur in the battery so that the battery life is extended and the charging process is accelerated Specification:Compatible with the following battery models: BL1850 (196673-6) 5Ah - 45 Minutes BL1840 (196399-0) 4Ah - 36 Minutes BL1830 (194204-5) 3Ah - 22 Minutes BL1430 (194065-3) 3Ah - 22 Minutes BL1415 (194558-0) 1.3Ah - 15 Minutes