General description The Dewalt DCB546 18V 54V XR Flexvolt Battery Twin Pack includes two 6.0Ah DCB546 batteries and a DCB116 fast charger. The DCB546 battery features XR technology, allowing it to be fully convertible between 18V and 54V, making it backward compatible with existing 18V DEWALT products while providing the option to amplify voltage for use with larger, more powerful construction power tools. The DCB116 charger is designed for 12V, 18V, and 54V batteries, featuring an improved state of charge indicator and a secure latching mechanism. Technical specifications Battery type: Li-Ion Battery capacity: 6.0Ah Voltage: 18V / 54V Charge times: 1.3Ah - 22 mins, 1.5Ah - 22 mins, 2.0Ah - 30 mins, 3.0Ah - 45 mins, 4.0Ah - 60 mins, 5.0Ah - 75 mins, 6.0Ah - 80 mins, 9.0Ah - 110 mins, 12.0Ah - 150 mins Compatibility and accessories Backward compatible with existing DEWALT XR 18V products Includes 2 x 6.0Ah DCB546 Batteries Includes DCB116 Fast Charger Installation Screw head slots on