Description: F1 Faston terminals. The Elk-1280 is leak proof, fully rechargeable, and great for powering emergency lights, exit signs, and uninterrupted power supplies. The Elk 1280 is a highly versatile and maintenance free solution for anyone looking for a reliable backup power supply for Access Control Systems, Fire Alarm Systems, and Security Systems. Nominal Voltage: 12 Volts Rated Capacity: 8 AH (20 hour rate) Length: 5.94"" (151mm) Width: 2.56"" (65mm) Height: 3.74 (95mm) Total Height: 3.98"" (101mm) Terminals: F1-Faston Tab No. 187"