Battery type: Li-polymer Capacity: 1800 mAh Voltage: 3.7 V Energy: 6.66 Wh Number of cells: 1 Dimensions (L x W x H): 5.1 x 3.3 x 1 cm Weight: 37 g Compatible with the following device models: Garmin Zumo 340LM Garmin Zumo 390LM Garmin Zumo 350LM Garmin Zumo 340LM CE Garmin Zumo 350 To ensure compatibility, please check to see whether the battery you are currently using is listed below.