Few things are more frustrating than a low-battery beep in the middle of a conversation. Knowing what to expect from your batteries makes it easier to stay prepared. At Hear SF on Geary Boulevard in San Francisco, owner and hearing aid dispenser Michael Martinez, NB-HIS, regularly answers patients’ battery questions. Here are the most common ones.
How Long Do Disposable Batteries Last?
Most disposable hearing aid batteries last from a few days to a few weeks. Smaller batteries run out faster:
- Size 10 (yellow): about 3 to 7 days
- Size 312 (brown): about 3 to 10 days
- Size 13 (orange): about 6 to 14 days
- Size 675 (blue): about 9 to 20 days
What Makes Batteries Drain Faster?
Streaming audio from your phone or TV, wearing your hearing aids for long hours, cold weather and high humidity can all shorten battery life. Stronger hearing aid settings also use more power.
How Can I Make Batteries Last Longer?
- After removing the sticker tab, wait about a minute before inserting the battery.
- Store spare batteries at room temperature, not in the fridge.
- Open the battery door at night so the battery can rest and moisture can dry out.
- Keep batteries in their package until you need them.
What About Rechargeable Hearing Aids?
A full charge usually lasts a full day, though heavy streaming can reduce that. The built-in battery generally lasts several years before it needs replacing.
A Safety Reminder
Keep hearing aid batteries away from children and pets. If a battery is swallowed, seek emergency care right away.
Battery Support at Hear SF
If your batteries seem to die much faster than expected, your hearing aid may need a check. Call or text Hear SF at 415-319-7301 for help.