Backup Battery 7A 12V Sealed Lead Acid Battery: 12Volts - Capacity: 7 AH - Non-Spillable SealedConstruction, Absorptive Glass Mat System (AGM System), ABS container and cover, Maintenance-Free Operation, Low Pressure Venting System, Heavy - Duty Grids, Low Self-Discharge - Long Shelf Life, WideOperating Temperature Range.