The Emergi-Lite JSM272 is a Security system that requires a 6V 13Ah AGM replacement battery. The compatible Universal Power Group replacement is the UPG UB6130 TOY 6V 13AH Neg-F1, Pos-F2 AGM Battery (UB6130), a 6V 13Ah AGM sealed lead-acid battery. This battery delivers up to 78 watts of standby power. It weighs 5.07 lb, uses F1-F2 terminals, measures 4.25 L x 5.51 H in, and has left polarity. This is a direct drop-in replacement for the Emergi-Lite JSM272 requiring no modification to the device.