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Have you ever encountered a problem? The cochlear implant battery and hearing aid battery are both called 675, and they are about the same size. Can we mix them to use?
The answer is "No". The "675" of hearing aid battery is different from that of cochlear implant battery. The former is used for super power BTE, and the latter is dedicated for cochlear implants. 675P is followed by "P", which is the abbreviation of "plus". It can be said that it is the enlarged version and enhanced version of the hearing aid battery 675. Although they are all zinc air batteries with the same appearance and size, they are not universal. Because the current and voltage standards produced by the two are different, there are still some differences in technology and stability.
If the 675 battery is put into the cochlear implant, it may make the cochlear implant work at low power consumption, and may also cause intermittent sound, affecting the use of the cochlear implant. Because there is a high-power chip in the cochlear implant, which requires higher stability of battery voltage and current, the cochlear implant needs to use a dedicated 675P, and the sound output is more stable.
When the 675 battery is installed in the cochlear implant, the discharge current cannot meet the requirements of the cochlear operation, and the discharge curve is not ideal. Although it can work reluctantly, the sound will fluctuate over a long time, affecting the listening effect.
On the other hand, the maximum discharge current of 675 is 20mA and the maximum discharge current of 675P (cochlear cell) is 30mA. If the hearing aid uses 675P battery, it will exceed the discharge power of the hearing aid and damage to the hearing aid for a long time.
Therefore, they are not universal. We recommend that you use special batteries separately. If you still have doubts, you can consult us. We also provide battery sales. Our sales staff will give you answers and guide you to choose batteries.
