Drypower 12SB2.9PRDrypower 12V 2.9Ah Sealed Lead Acid BatteryUsage and CompositionBackup and Main Power Cyclic UseSealed Lead Acid (SLA)Battery SpecificationsVoltage 12VWatt Hour 34.8WhNominal Capacity 2.9AhPhysical DimensionsTermination F1 (4.8mm Spade)Width 56mmHeight 99mmLength / Breadth / Depth 79mmWeight 11.9Kg