Drypower 12SB28TLDrypower 12V 28Ah Long Life Standby AGM Battery - 6-9 Year Design LifeUsage and Composition Backup and Main Power Cyclic, back-Up Power, Security, Telecommunication Base Stations, Substations, Network Communication & Data Storage Stations Sealed Lead Acid (SLA) Battery Specifications Voltage 12V Watt Hour 336.0Wh Nominal Capacity 28Ah Physical Dimensions Termination F6 (M5 Bolt) Width 125.5mm Height 176mm Length / Breadth / Depth 166mm Weight 9180g