Battery type: Li-polymer Capacity: 1550 mAh Voltage: 3.7 V Energy: 5.73 Wh Number of cells: 1 Dimensions (L x W x H): 8.9 x 3.8 x 0.5 cm Weight: 34 g Compatible with the following device models: Becker BE B50 Becker professional.6 LMU Becker professional 6.2 lmu To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Becker 334432602678 Becker SR3840100 .