Battery type: Li-polymer Capacity: 140 mAh Voltage: 3.7 V Energy: 0.52 Wh Colour: black Dimensions (L x W x H): 3.4 x 2.2 x 0.8 cm Number of cells: 1 Weight: 6 g Compatible with the following device models: Plantronics Savi WH500 Plantronics Savi W745 Plantronics Savi W740-M Plantronics Savi W740 Plantronics Savi W440-M Plantronics Savi W440 Plantronics Savi 86507-01 To ensure compatibility, please check to see whether the battery you are currently using is listed below.
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