Built-in protection circuit (PCM) prevents over charging/discharging.
Sennheiser PXC 550 PXC 550 II Momentum 4 Battery - 3.7V 650mAh LiPo AHB413645PCT
TECHTEK battery compatible with [Sennheiser] D10, DW Office, DW Office ML, DW Pro 1, DW Pro 2, DW Pro 30, DW Pro1, DW Pro2, DW Pro2 ML, DW SD Pro1, DW-Reihe, DW10, DW20, DW30, MB Pro 1, MB Pro 2, Off
Uniamy 2P X CP1254 A4 Replacement Battery Compatible With Galaxy Buds Buds Live Earbuds wf1000x WF-1000XM3 WF-SP700N Bluetooth Headset Powerbeats Pro Momentum Wireless 3 Earbuds MTW3 C 3.0 Earbuds
Trconelectron 2pcs CP1254 A4 Replacement Battery for Momentum MTW3 C 3.0 Earbuds WF1000X WF-1000XM3 WF-SP700N Bluetooth Headset Galaxy Buds
Replacement Battery for Sennheiser Wireless Headsets - OfficeRunner DW Office DW Pro1 DW Pro2 SD Office SD Pro1 SD Pro2 MB Pro Series
Sennheiser BA 30 Battery 1900mAh
![TECHTEK battery compatible with [Sennheiser] D10, DW Office, DW Office ML, DW Pro 1, DW Pro 2, DW Pro 30, DW Pro1, DW Pro2, DW Pro2 ML, DW SD Pro1, DW-Reihe, DW10, DW20, DW30, MB Pro 1, MB Pro 2, Off](https://images.buynet.work/thumb.php?i=350800141&s=240)
