Replacement Lithium Battery, 3.0V

This pre-assembled replacement battery pack is designed for Dorma TAPKEY Smart Locks and compatible access control systems. The unit features two lithium CR2 cells (Li-MnO2 type) configured to deliver 3.0V of reliable power to your smart lock mechanism. Supplied as a ready-to-use pack with integrated cable and connector, installation is straightforward without additional assembly required. The battery system is engineered for extended operational life, supporting up to 25,000 locking cycles under standard conditions at 20 Degrees C room temperature. When the lock is not in active use, the battery maintains charge for up to 3 years, making it ideal for seasonal or backup access applications. The integrated multilevel alarm system provides advance warning when voltage drops, allowing proactive battery replacement before complete depletion. Built with industrial-grade lithium chemistry, this replacement pack ensures consistent performance in demanding commercial and institutional environments. The design includes 10-year data preservation capability, protecting access logs and security settings even if the battery becomes fully depleted. This makes the unit suitable for high-security facilities, office buildings, hotels, and residential properties requiring dependable smart lock operation. Compatible with Dorma, DOM, and EN specification systems, this battery pack serves as an official replacement component for TAPKEY Smart Lock installations. It is recommended to use genuine lithium CR2 cells for optimal compatibility and performance. This product is essential maintenance inventory for facility managers and security professionals who depend on uninterrupted smart lock functionality.