Replacement battery compatible with Sennheiser headphone battery (not an original battery). AccuCell is the cost-effective alternative made from fresh production.

Battery compatible with the Sennheiser AudioPort A1 battery BA90.

Compatible with Sennheiser S180, HDI 91, HDI 92, HDI 92P, HDI 94, HDI 1029, HDI 1029-PLL8, HDI 1029-PLL16, HDI 1030, SET 90, Set 100, Set 180, Set 200, Sennheiser HDI 1029-PLL16, HDE 1030, Sennheiser InfoPort HDE 103.

Original battery designation: Sennheiser BA 90, BA90, P/N 003261, Sennheiser HDE 1030-3 D1 3-channel InfoPort receiver with 3 fixed frequencies.

NiMH high-performance battery with up to 125% more power than the original NiCd battery. The NiMH battery can be charged in the existing charger. This battery should be used instead of the NiCd battery as it has no memory effect and can be recharged at any time. Tip: If not used for an extended period, please recharge the battery before storage and it is better to remove it from the headphone.

Technical specifications (not original Sennheiser BA90 battery):
System: NiMH battery, Voltage: 2.4 volts, Capacity: 60mAh to max. 190mAh.
Dimensions (LxWxH): 33x18x8.5mm, Weight: 7 grams.