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): 4.6 x 3.4 x 0.6 cm Weight: 19 g Compatible with the following device models: TomTom XL Live TomTom 4EL0.001.01 TomTom XL LIVE TTS 4EL0.017.01 TomTom XL 340M LIVE TomTom XL 340TM LIVE To ensure compatibility, please check to see whether the battery you are currently using is listed below.