Security Force brand batteries are high-quality batteries produced specifically for security and fire systems. Stationary lead-acid maintenance-free Security Force batteries are manufactured by AGM technology. Recommended for use in low-current systems and optimized for cycle operation. AGM technology allows to recombinate 99% of the generated gas; No restrictions on air transportation; Compliance with the UL requirements; Lead plates, alloyed by calcium, provide high energy density; Long service life; Maintenance-free; Do not require distillate topping; Low self-discharge; The battery case is made of flame-retardant ABS plastic.