Battery type: Li-Ion - no memory-effect Capacity: 600 mAh Voltage: 3.7 V Energy: 2.22 Wh Height: approx. 0.6mm Number of cells: 1 Weight: 18 g Compatible with the following device models: Sony-Ericsson Z710i To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Sony-Ericsson BST-37 .