Drypower 12SB28TLDrypower 12V 28Ah Long Life Standby AGM Battery - 6-9 Year Design LifeUsage and CompositionBackup and Main Power Cyclic, back-Up Power, Security, Telecommunication Base Stations, Substations, Network Communication & Data Storage StationsSealed Lead Acid (SLA)Battery SpecificationsVoltage 12VWatt Hour 336.0WhNominal Capacity 28AhPhysical DimensionsTermination F6 (M5 Bolt)Width 125.5mmHeight 176mmLength / Breadth / Depth 166mmWeight 9180g