Battery type: NiMH Capacity: 1500 mAh Voltage: 2.4 V Energy: 3.6 Wh Colour: black / green Height: approx. 1.6mm Number of cells: 2 Weight: 49 g Compatible with the following device models: Sennheiser SK 2020 Sennheiser SK 2020-D Sennheiser SK 400 G4 Sennheiser SK 300 G3 To ensure compatibility, please check to see whether the battery you are currently using is listed below. Replacement for: Sennheiser BA-2015 Sennheiser BA2015 .
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