Battery type: Li-polymer Capacity: 600 mAh Voltage: 3.7 V Energy: 1.85 Wh Number of cells: 1 Weight: 12 g Compatible with the following device models: iDect M1 iDect M2 iDect X2 iDect X2d iDect X2di iDect X2i To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: CP75 MT LP053040 .