BATTERY REVOLUTION: DEWALT's new 54V XR FLEXVOLT batteries deliver power for the toughest applications. These innovative Li-ion batteries are backward compatible and can also be used in virtually all machines from the 18V XR range. With a very high battery capacity of 216 Wh, they are ideally suited for extremely demanding applications over extended periods. Effective protection against overload, overheating, and deep discharge is provided by special electronics. The 12Ah battery capacity (in 18V mode) ensures a very long runtime. The robust housing and shock-resistant, soldered battery cells make them ideal for tough construction site use. The battery can be transported without problems thanks to the mechanical separation of the cell levels, which keeps the battery's watt-hour output below the 100 Wh limit for dangerous goods class 9. Charge level indicator with 3 LEDs (activated by push button). Suitable for all DeWALT XR cordless tools with 54 and 18 volts (except the DCS 371 belt saw and the DCR 016, DCR 017 and Tough Radio).