For Sennheiser LSP 500 Pro
14.4V 4.4Ah/63.36Wh
For Sennheiser BA370 MM 400 450 550 360
3.7V 270mAh/1Wh
For Sennheiser RI900 RR840 RI410 RS4200 RR4200 HDI830
3.7V 150mAh
For Sennheiser Momentum True Wireless 1/2
NULL 2.3Wh
For Sennheiser Momentum 2 / 3, HD 4.40BT, HD 4.50
3.7V 620mAh
For Sennheiser PXC 550 PXC550 Headphones
3.7V 1500mAh/5.55Wh
For Sennheiser momentum TW2 TW3
3.8V 860mAh/3.27Wh
