Exell Battery Replaces Sennheiser BA90 NCI-PLS100H CPH-521 Sennheiser RI100-A/RI100-J HDI92-P H200 HDI452-P HDI91-P1/-P2 HDI1029-PLL8/16 SET-100 SET-100 TV SET-100 Assistive Listening System H100 2.4V 60mAh Nickel Metal Hydride (NIMH)