CA1240 12v 4ah alarm battery: the ca1240 12v 4ah alarm battery is a high-quality lead acid alarm battery designed for numerous home and security alarm systems. Casil ca1240 12v 4ah alarm battery: the casil ca1240 12v 4ah alarm battery is a premium product, offering an extended lifespan and ultimate reliability. providing 1 year prorated warranty. Security system battery replacement: upgrade your security system with our 12v 4ah alarm battery. length: 3.54" (90 mm) width: 2.76" (70 mm) height: 4.02" (102 mm) - f1 terminal Alarm battery: compatible with honeywell, dsc, ge, adt, monitronics, brinks, first alert, exp1240, upg ub1240, mightymax ml4-12, power-sonic ps-1240, power king pk1240 and many more! Lead acid alarm battery: our ca1240 12v 4ah alarm battery is a lead acid alarm battery, providing strong and consistent power supply for your home alarm battery needs.