The DeWALT 54.0 volt XR FLEXVOLT battery DCB546 offers long-lasting performance and is compatible with almost all machines from the 18.0 volt XR range. Its high-quality workmanship makes it ideal for use on construction sites, and the special electronics offer protection against overload, overheating and deep discharge. There is no memory effect and no self-discharge. The robust housing is shatterproof and the battery cells are soldered to be shockproof. The DCB546 battery also has a charge level indicator with 3 LEDs.