The DCB118 fully charges the Flexvolt battery in just 45 minutes. It is compatible with all 18-volt XR slide batteries and 54-volt Flexvolt batteries from DeWalt, charging at a current of 4 or 8 amps. Additionally, it features a special fan cooling system. The 54.0-volt XR Flexvolt battery DCB546 provides long-lasting performance and is compatible with nearly all machines in the 18.0-volt XR range. Its high-quality construction makes it ideal for use on job sites, while the specialized electronics protect against overload, overheating, and deep discharge. There is no memory effect and no self-discharge. The robust housing is impact-resistant, and the battery cells are shock-resistant soldered. Furthermore, the DCB546 battery includes a charge level indicator with 3 LEDs.