The DEWALT DCB184B2C XR Charger Battery Set contains the following: 1 x 10.8-18V 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. Voltage: 10.8/14.4/18VBattery Chemistry: Li-ionCharging Current: 4.0 A 2 x 18V DCB184 5.0Ah XR Li-ion Batteries that deliver 66% more run time than a standard 3.0Ah battery pack. They have an LED state of charge indicator to help manage pack charging. They have a lightweight design that provides the user with upgraded 5.0Ah power without increasing the size or weight over the 18V 3.0Ah battery pack. No memory effect and virtually no self-discharge for maximum productivity and less downtime. They have protection against overheating, overloading and deep discharge conditions which increases the overall battery life. Compatible with all DEWALT 18V tools that except slide-on type batteries.