UltraTech Power Products UT 1240, time and time again. UltraTech Power Products is known to be the most reputable Alarm Battery brand in the country. When choosing a 12 Volt 4.5 Amp Hour SLA battery, the UltraTech UT 1240 is the ideal backup power source.This battery is the direct replacement for all previous versions of UltraTech UT1240. While previous models of the Ut1240 may be 12V 4Ah batteries, be assured that the UT 1240 12V 4.5 Ah battery is the newer, current model and is fully compatible. Ultratech batteries are often found in burglar alarm systems, fire alarm systems, access control systems, low-voltage lighting, uninterruptible power supplies (UPS) systems, as well as other security and battery backup applications. Residential Alarm panels made by Honeywell Ademco, Napco, DSC and GE are common applications of the Ultratech UT 1240.