Specification of the DCB115 XR Charger.
Voltage: 10.8/14.4/18 Volt.
Battery Chemistry: Li-Ion
Charging Current: 4.0 A

DeWalt DCB115 XR Multi-Voltage Charger 10.8-18V Li-Ion
The DEWALT DCB115 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.