Drypower 6SB5PDrypower 6V 5Ah Sealed Lead Acid BatteryUsage and CompositionBackup and Main Power Cyclic UseSealed Lead Acid (SLA)Battery SpecificationsVoltage 6VWatt Hour 30.0WhNominal Capacity 5AhPhysical DimensionsTermination F1 (4.8mm Spade)Width 47mmHeight 102mmLength / Breadth / Depth 70mmWeight 820g