Replacement Security System Battery, 3.6V, 2600mAh

This replacement battery is a 3.6V lithium thionyl chloride (Li-SOCl2) primary cell engineered for ADT alarm system applications, specifically designed as a compatible replacement for PowerMaster 360 and PowerMaster 360R Wireless Sirens. With a capacity of 2600mAh and dimensions of approximately 50.50 x 20.50 x 18.60mm, this A-size spiral cell battery delivers reliable long-term power for security and alarm monitoring equipment. The Li-SOCl2 chemistry provides excellent shelf life, high and flat operating voltage characteristics, and superior performance in demanding commercial security installations. Ideal for facilities requiring dependable backup power for wireless siren systems, this battery offers the consistent performance and compatibility that professional installers and maintenance teams expect for mission-critical security applications. Suitable for institutional, commercial, and industrial alarm system deployments where equipment reliability is essential.