Battery type: Li-polymer Capacity: 36 mAh Voltage: 3.7 V Energy: 0.13 Wh Number of cells: 1 Dimensions (L x W x H): 1.5 x 1 x 0.5 cm Weight: 1 g Compatible with the following device models: Fitbit Alta To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Fitbit FB406 .
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