Replacement battery fits 8 Perimeter compatible models. Specifications: 40mAh, 9.6V, Ni-MH. Compatible with: SR-i500, SR-i600, SR-i800, SR-i900R, Scorpio SR-i500, Scorpio SR-i600 and 2 more compatible models. Replaces: Scorpio BAT-5, Scorpio 2006-2007. Perimeter replacement battery designed for Security System devices. Provides reliable power for your device.