The DEWALT DCB107 Multi-Voltage Charger for XR Li-Ion DEWALT 10.8, 14.4 and 18 Volt slide pack batteries uses the DEWALT 2 stage charging system. Diagnostics with a bright LED indicator communicates battery charge status: charged, charging, and battery too hot or too cold. The DEWALT DCB107 XR Multi-Voltage Charger has a compact size making it easy to store and it is also wall mountable. A bright LED indicator communicates the battery charge status: charged, charging, power problem, and battery too hot or too cold conditions. It is capable of charging a 2.0Ah battery pack in 30 minutes. Specification Voltage: 10.8/14.4/18 Volt. Battery Chemistry: Li-Ion Charging Current: 4.0 A.