Battery type: Li-polymer Capacity: 750 mAh Voltage: 4.2 V Energy: 2.78 Wh Number of cells: 2 Dimensions (L x W x H): 4.8 x 3.5 x 0.5 cm Weight: 16 g Compatible with the following device models: Garmin Drive 51LMT-S Garmin Drive 51LMT Garmin Drive 50 LM Garmin Drive 50 Garmin Drive 51 To ensure compatibility, please check to see whether the battery you are currently using is listed below.