Battery type: Li-polymer Capacity: 300 mAh Voltage: 3.7 V Energy: 1.11 Wh Dimensions (L x W x H): 3.2 x 2.1 x 0.5 cm Number of cells: 1 Weight: 6 g Compatible with the following device models: Plantronics CS50USB Plantronics CS55 Plantronics CS55H Plantronics CS510 Plantronics CS510A Plantronics CS520 Plantronics CS520A To ensure compatibility, please check to see whether the battery you are currently using is listed below.
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