Battery type: Li-polymer Capacity: 1200 mAh Voltage: 3.7 V Energy: 4.44 Wh Number of cells: 1 Dimensions (L x W x H): 6 x 3.6 x 0.6 cm Weight: 24 g Compatible with the following device models: Navigon 70/71 Plus Navigon 70/71 Premium Navigon 70 Easy Navigon 70 Plus Navigon 70 Plus Live Navigon 70 Premium Navigon 70 Premium Live To ensure compatibility, please check to see whether the battery you are currently using is listed below.