The DeWalt DCB549 54v XR Cordless FLEXVOLT Li-ion Battery 15ah is a convertible power solution designed for demanding construction applications. This innovative battery represents a breakthrough in cordless technology, automatically switching between 18V and 54V depending on the tool it powers. The FLEXVOLT system provides tradespeople with exceptional versatility across their toolkit. The 15.0Ah capacity delivers extended runtime for heavy-duty construction equipment whilst maintaining full compatibility with the existing range of DeWalt XR 18V products. This eliminates the need for separate battery platforms, streamlining tool management on site. Ideal for professionals running high-demand power tools such as large angle grinders, circular saws and breakers, this battery significantly outperforms standard 18V XR 4.0Ah or 5.0Ah batteries. The integrated charge indicator allows quick status checks without interrupting workflow, helping contractors maintain productivity throughout the working day. Features and Benefits: • World's first convertible 18/54V battery offering unprecedented power levels • 15.0Ah capacity provides extended runtime for demanding applications • Full compatibility with existing DeWalt XR 18V product range • Integrated charge indicator for quick battery status monitoring • Slide-on design for secure connection and easy tool changes Specifications: Voltage: 54V (convertible to 18V) Capacity: 15.0Ah Battery Technology: Li-ion