Battery type: Li-Ion - no memory-effect Capacity: 1050 mAh Voltage: 3.7 V Energy: 3.89 Wh Dimensions (L x W x H): 4.5 x 3.7 x 0.7 cm Number of cells: 1 Weight: 23 g Compatible with the following device models: Sony SRS-BTS50 Sony WH-1000XM2 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Sony 4-296-914-01 Sony SP-73 Sony SP73 .
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