Battery type: Li-Ion - no memory-effect Capacity: 1000 mAh Voltage: 3.7 V Energy: 3.7 Wh Number of cells: 1 Dimensions (L x W x H): 4.8 x 3.9 x 0.7 cm Weight: 21 g Compatible with the following device models: TomTom Go 825 TomTom Go Live 1005 Europe TomTom Go Live 14644 TomTom Go Live 1000 Europe To ensure compatibility, please check to see whether the battery you are currently using is listed below.