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 Easy Navigon 70 Plus Navigon 70/71 Premium To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Navigon TOPAZPCZF1045003501 Navigon Topaz .