The AT&T 7-12, 1TE-4GB, 2TE-4GB is a Telecom system that requires a 12V 110Ah AGM replacement battery. The compatible Universal Power Group replacement is the UPG UB121100 12V 110AH Marine Combo AGM Battery Group 30H (UB121100), a 12V 110Ah AGM sealed lead-acid battery. It uses Marine Post (Combo) terminals. This is a direct drop-in replacement for the AT&T 7-12, 1TE-4GB, 2TE-4GB requiring no modification to the device.
