The Williams Sound BAT AP97A rechargeable NiMH battery is designed for use with the following receivers:
link_prd_1051_WIR RX237_link - IR Receiver
link_prd_1032_WIR RX238_link - IR Stethoscope Receiver
WIR RX239 - IR Neckloop Receiver
link_prd_1015_WIR RX16_link - IR Stethoscope Receiver (Commercial)
(1) Williams Sound AP97A - Rechargeable NiMH Battery for TV Listening Systems with link_prd_1051_WIR RX237_link - IR Receiver, link_prd_1032_WIR RX238_link - IR Stethoscope Receiver, link_prd_1032_WIR RX238_link - IR Stethoscope Receiver, WIR RX239 - IR Neckloop Receiver, and link_prd_1015_WIR RX16_link - IR Stethoscope Receiver (Commercial)