Battery type: Li-polymer Capacity: 650 mAh Voltage: 3.7 V Energy: 2.41 Wh Dimensions (L x W x H): 2.9 x 2.7 x 0.8 cm Number of cells: 1 Weight: 11 g Compatible with the following device models: Plantronics Savi W8220 Plantronics Savi 8220 Plantronics Voyager B8200 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
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