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 Live 1530 TomTom Go Live 820 TomTom Go Live 2050 World TomTom Go Live 825 To ensure compatibility, please check to see whether the battery you are currently using is listed below.