This Rechargeable lithium-ion battery is specifically designed for Security System Panel Product Features: Voltage: 3.7 Volt Capacity: 7800mAh Battery Chemistry: Li-ion Part Number: CSSP-XML-3778 Security System Battery Replacement Size Dimensions: 2.70" x 0.74" x 2.19" Weight: 5.3 oz 3 Pin Connector This battery works for the following models: 300-10186 for Command Smart Security Panel Ryme B67 300-10186 ADT5AIO-1 ADT5AIO-2 ADT5AIO-3 ADT7AIO-1 2X16 AIO Home Security Panel ADT2X16AIO-1 ADT2X16AIO-2 300-10186 30010186 CS-HYA200BT Pro 7 AI05-2 AI07-1 AI07-2