Yes, rechargeable hearing aid batteries can be replaced, but the process depends on your hearing aid model and whether the battery is built into the device or removable
Most modern rechargeable hearing aids use one of two designs: a sealed battery that cannot be swapped out by the user, or a removable battery cartridge that you can replace yourself. If your hearing aid has a removable battery, you can buy a replacement from your hearing aid provider or authorized retailer and swap it in within minutes. If the battery is sealed inside the device, you will need to send the hearing aid to the manufacturer or your provider's service center for a battery replacement — a process that typically takes one to three weeks.
The cost of battery replacement varies widely. A removable battery cartridge usually costs between $50 and $150, depending on the brand and model. A sealed-battery replacement through a service center often costs $200 to $400 and may include a warranty on the new battery. Some providers offer mail-in service; others require you to visit a clinic in person. Before you need a replacement, ask your provider which type of battery your hearing aids use and what the replacement process looks like for your specific model.
Key Takeaways
- Removable rechargeable batteries can be replaced by you at home in minutes, while sealed batteries require sending the hearing aid to a service center.
- Removable battery cartridges typically cost $50 to $150, and sealed-battery replacements through a service center cost $200 to $400.
- Battery lifespan for rechargeable hearing aids is usually three to five years before performance noticeably declines.
- Ask your hearing aid provider now whether your model uses a removable or sealed battery, so you know what to expect when replacement time comes.
How to tell if your hearing aid has a removable or sealed battery
The easiest way to find out is to check your hearing aid's user manual or call your provider directly. If you have the manual, search for "battery replacement" or "battery cartridge" — the instructions will show you whether the battery compartment opens or whether the entire device must be serviced. If you do not have the manual, your provider can tell you in one phone call and often can email you a copy of the relevant section.
If your hearing aid is relatively new (purchased in the last two to three years), it is more likely to have a sealed battery, as that design has become standard in premium models. Older rechargeable hearing aids more often had removable cartridges. Some manufacturers, like Phonak and Oticon, offer both types depending on the model line, so you cannot assume based on brand alone.
Replacing a removable rechargeable battery yourself
If your hearing aid uses a removable battery cartridge, the replacement process is straightforward. First, order the correct battery cartridge from your hearing aid provider, an authorized retailer, or sometimes directly from the manufacturer's website. Make sure you have the exact model number of your hearing aid — it is usually printed on the device itself or in your paperwork.
When the battery arrives, power off your hearing aid and open the battery compartment. Remove the old cartridge by gently pulling it straight out — do not force it. Insert the new cartridge until you hear or feel a click, then close the compartment and power the hearing aid back on. The device should recognize the new battery within a few seconds. If it does not power on, try removing and reinserting the cartridge to may support it is seated properly. Most removable batteries come with a one-year warranty, so keep your receipt in case the battery fails prematurely.
Sending your hearing aid for sealed-battery replacement
If your hearing aid has a sealed battery, contact your provider to start the replacement process. Ask whether they offer mail-in service or whether you need to visit a clinic. Many providers will send you a prepaid shipping box; you pack your hearing aid, drop it in the mail, and the service center replaces the battery and ships it back to you. This usually takes seven to ten business days total, though some providers offer expedited service for an additional fee.
Before you send your hearing aid in, back up any custom settings if your device allows it — some hearing aids can store your volume and program preferences in a companion app or on the provider's server. Ask the service center whether they will preserve your settings during the battery replacement. You should also ask what happens if the hearing aid has other damage; some providers will repair minor issues at no extra cost, while others charge separately.
While your hearing aid is being serviced, ask your provider whether they have a loaner device you can borrow. Some clinics keep spare hearing aids on hand for situations like this; others do not. Knowing in advance whether you will have hearing aids to wear during the service period helps you plan.
How long rechargeable batteries last before replacement is needed
A rechargeable hearing aid battery typically lasts three to five years before its capacity declines noticeably. You may notice that your hearing aids no longer hold a full charge for a whole day, or that they power off unexpectedly even after a full night of charging. These are signs that the battery is aging and replacement is approaching.
Battery lifespan depends on how often you use your hearing aids and how you charge them. If you wear your hearing aids eight hours a day and charge them every night, the battery will age faster than if you wear them four hours a day. Extreme temperatures — both very hot and very cold — can also shorten battery life. Storing your hearing aids in a hot car or a freezing garage will degrade the battery faster than keeping them at room temperature.
Some manufacturers publish the expected lifespan for their batteries in the product specifications. If you have that information, you can estimate roughly when you will need a replacement. If not, your provider can tell you based on when you purchased the hearing aids.
Cost and warranty considerations for battery replacement
The cost of battery replacement is separate from your hearing aid warranty. Most hearing aid warranties cover defects in the device itself but do not cover battery degradation, which is considered normal wear. This means that even if your hearing aids are still under warranty, you will likely pay out of pocket for a battery replacement.
Some providers include one free battery replacement in the first year or two after purchase, so check your warranty paperwork or ask your provider. A few manufacturers offer extended battery warranties that cover one or more replacements at a reduced cost; these are usually sold as add-ons at the time of purchase.
If you are paying for the replacement yourself, compare costs between your original provider and other authorized retailers. Prices can vary, and some retailers offer discounts for multiple replacements or loyalty programs. However, make sure any retailer you choose is authorized by your hearing aid manufacturer, as using an unauthorized service center may void your warranty.
What to do if your hearing aid battery fails before the expected lifespan
If your rechargeable hearing aid battery fails within the first year or two of purchase, contact your provider and describe the problem. If the hearing aid is still under warranty, the manufacturer may replace the battery at no cost or at a reduced cost. Bring your receipt and any warranty documentation you have.
If the hearing aid is out of warranty but the battery failed unusually early, some manufacturers will negotiate a discounted replacement as a goodwill gesture, especially if you have been a long-term customer. It never hurts to ask. Document the problem — note the date you first noticed the battery not holding a charge, how long you have owned the hearing aid, and how often you use it. This information helps the provider assess whether the failure is premature.
Frequently Asked Questions
Can I replace a rechargeable hearing aid battery with a disposable one?
No. Rechargeable hearing aids are designed to work only with rechargeable batteries and have a charging port instead of a traditional battery compartment. Attempting to use a disposable battery will not work and may damage the hearing aid. If you need a backup hearing aid while yours is being serviced, ask your provider about loaner devices or temporary solutions.
How much does it cost to replace a sealed rechargeable battery?
Sealed-battery replacement through a service center typically costs $200 to $400, depending on the manufacturer and whether you choose standard or expedited service. Some providers include one free replacement in your warranty; others charge from the start. Ask your provider for a quote before you send your hearing aid in.
What if I lose my hearing aid while it is being serviced for battery replacement?
Contact your provider when ready. Most service centers insure hearing aids in transit, but you will need to file a claim. Ask what documentation they need — usually a copy of your receipt and a description of what happened. The claim process can take several weeks, so report the loss as soon as you discover it.
Can I charge my hearing aid while I wait for a battery replacement?
If your hearing aid has a sealed battery that is failing, charging it may not help — the battery may not hold the charge even after a full night of charging. If you are waiting for a replacement, try charging overnight and see whether the hearing aid lasts through your day. If not, ask your provider about a loaner or temporary device so you are not without hearing aids during the service period.
Do I need to replace both hearing aids at the same time?
Not necessarily. Each hearing aid has its own battery, and they may age at different rates depending on how much you use each one. You can replace one battery and keep using the other hearing aid while you wait. However, if both hearing aids are the same age and model, their batteries will likely fail around the same time, so you may end up replacing both within a few months of each other.