Battery type: Li-Ion - no memory-effect Capacity: 1100 mAh Voltage: 3.7 V Energy: 4.07 Wh Number of cells: 1 Dimensions (L x W x H): 5.2 x 3.4 x 0.5 cm Compatible with the following device models: TomTom XXL South Africa To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: TomTom 4EG0.001.08 TomTom 4EG0.001.17 TomTom 4EM0.001.