General description vhbw offers high-quality, compatible non-rechargeable batteries designed specifically for alarm technology used in home security systems, including doors, windows, and wireless outdoor sirens. This package includes five batteries, ensuring you have ample power for your devices. Technical specifications Battery type: Li-MnO2 Capacity: 19000 mAh Voltage: 3.6 V Energy: 68.4 Wh Number of cells: 1 Weight: 105 g Compatibility and accessories Compatible with Visonic MCS-730, MCS-710, MCS-720 Replacement for ER34615-GL101