Whether you’re hiking in the Black Hills or catching up with family over coffee, a hearing aid that goes quiet at the wrong moment is frustrating. Hearing aid batteries usually last anywhere from three days to several weeks, depending mainly on usage and battery type.
At Mountain Plains Audiology, audiologist and owner Norman N. Sorensen, M.A., has cared for hearing in the Black Hills since 1999. At our offices in Rapid City, SD, and Newcastle, WY, he can help you understand your hearing aids’ power needs, troubleshoot unexpectedly short battery life, and choose a manageable care routine. Knowing what affects battery performance helps you plan ahead and keep your hearing aids ready when you need them.
How Many Days Do Size 10, 312, 13, and 675 Batteries Last?
Size 10, 312, 13, and 675 disposable zinc-air batteries typically last three to 10 days, though some larger batteries may last longer. Battery size provides a useful starting point. Approximate ranges include:
- Size 10, yellow packaging: three to seven days
- Size 312, brown packaging: three to 10 days
- Size 13, orange packaging: six to 14 days
- Size 675, blue packaging: nine to 20 days
These ranges are estimates. Longer wearing hours, greater amplification needs, and frequent wireless streaming can shorten battery life. You must use the size specified for your hearing aid; you can’t upgrade to a larger battery.
Many rechargeable models provide a full day of listening after a single charge. About 20 to 30 hours is common, but some models offer more. Check your model’s specifications and ask how streaming changes its expected runtime.
Do Rechargeable Hearing Aids Hold Power Longer Than Disposables?
Rechargeable hearing aids do not usually hold power longer per charge than a disposable battery lasts between changes, but a built-in rechargeable battery can be charged repeatedly and may last for several years.
A rechargeable model can simplify care if handling tiny batteries is difficult. It requires a reliable charging routine and access to an appropriate charger. Portable charging cases may help during travel, depending on the model.
Neither option is automatically better for everyone. Daily wearing time, streaming habits, dexterity, travel plans, and device choices matter. Rechargeable capacity can decline with age, so a battery that once lasted all day may eventually need professional replacement.
What Makes Hearing Aid Batteries Drain Before Their Time?
Hearing aid batteries drain before their time because of heavier use, an expired or wrong-size battery, a tab removed too early, or a charging problem. Compare the change with your usual routine. More phone calls, music streaming, or longer wear times may explain increased power use. Record when batteries are changed or charged and when warnings begin.
For disposable batteries, check the expiration date, correct size, and whether the tab was removed too early. Try a fresh battery from another package if several replacements perform poorly.
For rechargeable aids, confirm that the charger has power and each device is seated correctly. Check the charging indicator rather than assuming that placing it in the case guarantees charging. Clean charging contacts only as instructed.
If short runtime persists, Norman Sorensen can inspect the devices, assess charging equipment, and determine whether repair or battery replacement is needed. Bring your charger and usage notes. Avoid opening a sealed battery compartment or repeatedly trying to recharge a disposable battery.
What’s the Right Way to Change a Zinc-Air Battery?
The right way to change a zinc-air battery is to work over a towel with clean, dry hands, peel the tab, and let the battery activate for about two minutes before inserting it. Keep the correct replacements nearby and follow your device’s instructions:
- Turn the hearing aid off and gently open the battery door.
- Remove the used battery.
- Peel the tab from a new zinc-air battery.
- Let air activate it for the recommended interval, usually about two minutes.
- Insert it with the positive marking aligned correctly and close the door gently.
If the door resists closing, check the battery’s size and position, but don’t force it. Norman Sorensen can demonstrate replacement and recommend a handling tool if necessary.
Most modern rechargeable hearing aids have built-in batteries that patients should not replace at home. Arrange professional service when replacement is required.
Keep new and used batteries away from children, pets, food, and medications. Never hold batteries in your mouth. If someone may have swallowed one, contact poison control immediately for guidance.
How Can Black Hills Patients Extend Hearing Aid Battery Life?
Black Hills patients can extend hearing aid battery life with careful storage, tabs left in place until use, and a steady charging routine. For disposable batteries, try these habits:
- Leave protective tabs in place until you need each battery.
- Store batteries in their packaging at room temperature, away from moisture.
- Use older, unexpired packages before newer ones.
- Turn devices off when unused and open battery doors as instructed.
- Keep loose batteries away from coins, keys, and other metal objects.
Refrigerating batteries can expose them to moisture. Replacing the tab after activation does not restore a zinc-air battery to its original condition.
For rechargeable aids, follow the recommended charging schedule and use compatible charging equipment. Keep the devices and charger clean, and avoid excessive heat. Ask about storage instructions before leaving them unused for an extended period.
Unnecessary streaming uses extra power, but preserving battery life shouldn’t mean giving up important communication features. Talk to Norman Sorensen about frequent shortages so the solution fits your needs.
Get Battery Help From Mountain Plains Audiology in Rapid City
If battery problems interrupt your day, a consultation can help you get back on track. Bring your hearing aids, your charger if applicable, and notes about recent battery performance. Norman Sorensen, M.A., can explain what runtime is realistic, whether maintenance or service is needed, and which battery routine suits your lifestyle.
Call or text our Rapid City office at 605-307-3597 or our Newcastle office at 605-307-3670, where appointments are available the last Friday of each month. You can also contact Mountain Plains Audiology online to schedule a visit.