Battery type: Li-Ion - no memory-effect Capacity: 250 mAh Voltage: 3.7 V Energy: 0.93 Wh Number of cells: 1 Weight: 5 g Compatible with the following device models: Gigaset L470 Maxwell 10 Siemens Gigaset L410 Siemens Gigaset L470 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Siemens S30852-D2240-X1 Siemens V30145-K1310-X448 .