Earpiece Batteries
Find replacement batteries for compatible CooMax earpieces and induction neckloops. Match the battery code to the exact model: 337 / SR416SW for Mini, SuperMini and current UltraMini earpieces; 379 / SR521SW for the older compatible UltraMini; rechargeable LIR640 for MegaMini Bluetooth; and removable 9V batteries for compatible Nano neckloops.
The earpiece and induction unit can use different power sources. Check the printed battery code or product instructions, then select the required pack quantity. A similar model name or battery size does not establish compatibility.
337 / SR416SW Batteries
379 / SR521SW Batteries
9V Rechargeable Batteries
LIR640 MegaMini Batteries
Match the battery code to your exact model
Receiver batteries and transmitter power are separate. Check the code on the existing cell or the model instructions before selecting a replacement.
337 / SR416SW
For compatible current Vip Pro Mini, SuperMini and UltraMini receivers. These button cells are non-rechargeable. View 337/SR416SW batteries.
LIR640
The rechargeable cell for the compatible MegaMini Bluetooth receiver and its specified charging arrangement. View LIR640 MegaMini batteries.
379 / SR521SW
For an older UltraMini version that specifies this code. The current UltraMini uses a different 337/SR416SW format. View 379/SR521SW batteries.
9V for the Nano V1 transmitter
The V1 Nano neckloop uses two 9V batteries; Nano Pro uses one. These power the neckloop, while the passive Nano earpieces use no battery. View the rechargeable 9V pair.
A similar name or physical size does not confirm compatibility. Match the receiver revision, battery code and charging arrangement.