Sennheiser BA90 Headset Battery Replacement (60mAh, 2.4V, NI-MH) - Compatible with Sennheiser RI100-J, BA90, RI100-A, RI100-J, HDI92-P, H200, HDI452-P, HDI91-P1, HDI91-P2, HDI1029-PLL8/16, SET100 Assistive Listening System, H100, A100A Replacement Battery for Sennheiser BA90, RI100-A, RI100-J, HDI92-P, H200, HDI452-P, HDI91-P1, HDI91-P2, HDI1029-PLL8/16, SET100 Assistive Listening System, H100, A100A Battery Capacity: 60mAh, Voltage: 2.4, Type: Nickel-Metal Hydride Lifetime Warranty On Sale for a Limited Time! Grade A Quality. High Capacity.