- Severity of hearing loss
- Daily use of the hearing aid
- Battery size
- Number of features in the hearing aid
- Environment
Battery Life
On average, a hearing aid battery should last about 7 days. Sometimes the life cycle can be as short as 5 days or as long as 10 days. The Hearing Review breaks down the typical lifespan of each battery size the following way:
- Size 10: 3-10 days
- Size 312: 3-12 days
- Size 13: 6-14 days
- Size 675: 9-20 days
If your hearing aid batteries are lasting less than 5 days, it could be an indication that the hearing instrument needs repair. Consult with your audiologist to see if you should send your hearing instruments in for repair.
Brand of Hearing Aid Battery
The voltage of the hearing aid battery is more important than the brand. Most store brand hearing aid batteries provide 1.4 volts of power. However, Appalachian Audiology only sells hearing aid batteries that offer 1.45 volts of power. The higher the voltage, the more power the battery will supply to the hearing instrument. This will directly impact how well the hearing instruments perform. We strongly encourage hearing aid users to purchase batteries with 1.45 volts.
For more information on battery life, read The Hearing Review's handout entitled: "Important Battery Facts for Today's Hearing Instruments."
Image provided courtesy of David Castillo Dominici freedigitalphotos.net
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