Power-Sonic PS-1290 12 Volt 9 Amp Hour Rechargeable SLA Battery (F2 Terminals) The Power-Sonic PS-1290 is a 12 Volt 9 Amp Hour Rechargeable Sealed Lead Acid Battery featuring F2 Terminals. For use in Fire Alarm Systems, Burglar Alarm Systems and Access Control Systems Absorbent Glass Mat (AGM) technology for superior performance Valve regulated, spill proof construction allows safe operation in any position Power/volume ratio yielding unrivaled energy density