Drypower 12SB2.3PDrypower 12V 2.3Ah Sealed Lead Acid BatteryUsage and Composition Backup and Main Power Cyclic Use Sealed Lead Acid (SLA) Battery Specifications Voltage 12V Watt Hour 27.6Wh Nominal Capacity 2.3Ah Physical Dimensions Termination F1 (4.8mm Spade) Width 34mm Height 60mm Length / Breadth / Depth 178mm Weight 10.4Kg