Input?: 100-260?V, 50/60?Hz - Output: 14.4 - 18 V - Charging current: 3.0A - Charges 3.0Ah Li-Ion batteries in just 22 minutes and compact Li-Ion batteries in just 15 minutes. The DC18RC replacement charger is compatible with Makita 14.4V and 18V lithium-ion batteries, such as B. BL1815 BL1830 BL1840 BL1850 BL1860 BL1415 BL1430 etc. Intelligent load management, multi-functional LED displays, multi-protection, easy and safe work, overload protection against damaged cells. During the charging process, the Rapid Optimum charger actively monitors current, voltage and temperature and detects a faulty battery. Safe protective measures: 1. Stop if charger is defective 2. No charger; has a defective battery. Automatic shutdown in case of short circuit 3. Temperature?: Stop charging if overheated 4. Over time: stop the charging process when the charging time is 120 minutes Package includes: 1 * DC18RC Charger