General description A powerful 54V battery designed for exceptional performance, the DeWalt DCB548 FLEXVOLT 12Ah Convertible 18v/54v XR Lithium-Ion Battery features a State of Charge (SOC) Indicator and is compatible with various XR FLEXVOLT power tools. This battery offers extended runtime and is the same size as the DCB547 9AH XR FLEXVOLT battery, making it a versatile choice for users. Technical specifications Voltage: 18v / 54v Battery Capacity: 18v 12.0Ah / 54v 4.0Ah Cell Components: 15 x 21mm Cells Energy Without Transport Cap: 216 Wh Energy With Transport Cap: 3 x 72 Wh Length: 138 mm Width: 87 mm Height: 97 mm Weight: 1.1 Kg Other information Includes transport cap for safe transportation Not classified as a class 9 dangerous product