Elk Lighting Lead Acid Battery, Sealed TYPE, Nominal Voltage: 12 V, Nominal Capacity: 8 AMP-HR, Charge Voltage: 14.4 - 15 V At 77 DEG F, Charge Current: Less Than 2.25 AMP AMP, Sulfuric Acid Electrolyte, Lead Oxide, Lead Sulfate, Lead Electrode, Terminal: F1 Faston Tab (0.187 IN), Length: 5.94 IN, 2.56 IN Width, Height: 3.98 IN, Stand By Voltage: 13.5 - 13.8 V At 77 DEG F, UL Listed, CE Certified Standard, For Access Control Systems, Fire Alarm Systems, Security Alarm Systems, Emergency Lights, Lighted Exit Signs, And Uninterruptible Power Supplies Application