Built-in protection circuit (PCM) prevents over charging/discharging.
Battery for Sennheiser HD 4.40 BT HD 4.50BTNC Momentum 2.0 AHB622540N1 3.7V
CP1254 Battery for Sennheiser Momentum for Beats Powerbeats Pro for Bose Earbuds
2Pcs Varta CP1254 A4 70mAh Battery for Sennheiser Momentum True Wireless 3.0
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
Replacement Battery for Sennheiser Wireless Headsets - OfficeRunner DW Office DW Pro1 DW Pro2 SD Office SD Pro1 SD Pro2 MB Pro Series
![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)
