Convertible 18/54V ultra-flexible, high capacity battery pack designed to store more energy, compatible with all existing 18V Dewalt XR products yet with the option to amplify its voltage to an unprecedented 54V to be used on bigger construction power tools giving this battery the versatility to be used by professionals and DIY enthusiast. Features and Benefits Provides ample power - comparable to that of a corded tool State of charge indicator for simple usage Compatible with all 18v XR and 54v XR Flexvolt tools Same width and length of a 18v XR battery, with only a small increase in height No memory effect and virtually no self-discharge for maximum productivity and less downtime Protection against overheat, overload and deep discharge conditions increases battery life Includes transport cap for safe transportation of batteries meaning it isn’t a class 9 dangerous productNotes Voltage: 18v / 54v Battery capacity: 18v 6.0Ah / 54v 2.0Ah Cell components: 15x18mm cells Without transport cap = 108Wh battery for use with power tool With transport cap = 3 x 36Wh battery for transport Length: 125mm Width: 85mm Height: 90mm Weight: 1.0Kg The battery power output depends on which tool it’s plugged into. On an 18V XR tool, the cells inside the battery pack link in parallel. When fitted to an XR FLEXVOLT tool, the battery cells link in series increasing the voltage to 54V.