Replacement Security System Battery, 3.7V, 580mAh

This replacement lithium-polymer battery is engineered to restore full functionality to ADT wireless security doorbell systems. Designed as a direct replacement for OEM part number AHB553436TPCT, this battery delivers reliable power to ADT Wireless HD Doorbell Camera models DBC835 and DBC835-V2, ensuring consistent performance in residential and light commercial security applications. The battery features a nominal voltage of 3.7V with a capacity of 580mAh, providing extended operational runtime between charging cycles. Its compact form factor measures 35.20 x 33.80 x 4.50mm, allowing seamless installation without modification to existing equipment. The lithium-polymer construction offers superior energy density compared to traditional battery technologies, delivering consistent voltage output throughout the discharge cycle. Built with integrated safety protection circuitry, this battery prevents overcharging, over-discharging, and short-circuit conditions, safeguarding both the battery and the connected doorbell camera equipment. The protective mechanisms reduce the risk of thermal runaway and premature device failure, making it suitable for continuous security monitoring applications where reliability is critical. This replacement battery is ideal for facilities managers, security contractors, and property owners requiring dependable backup power solutions for networked surveillance systems. It serves as a cost-effective alternative to OEM batteries while maintaining compatibility with existing ADT security infrastructure. The unit comes ready for installation with no modifications required, providing immediate replacement capability for failed or degraded batteries in doorbell camera systems.