Charging Hearing Aids: How Long It Takes & What to Do Without a Charger
Keeping your hearing aids fully charged is key to clear, consistent sound and daily confidence. Whether you’re new to rechargeable devices or managing a backup plan while traveling, knowing how charging works can save time – and avoid signal dropouts.
At Hearwell, we offer expert help with every device we fit, including in-home guidance and support when things don’t go as planned.
How Long Does It Take to Charge Hearing Aids?
Most rechargeable hearing aids – including models from Phonak, ReSound, Signia, and Starkey – reach a full charge in about 3 to 4 hours. Some devices offer fast-charging options that provide up to 6–8 hours of power from a 30-minute boost.
Charge speed depends on several factors:
- Battery health: Older batteries charge more slowly
- Charger quality: Use the manufacturer’s original charging case or dock
- Room temperature: Extreme cold or heat can impact performance
Many hearing aid devices include LED indicators so you know when the charge is complete.
How Long Does a Full Charge Last?
On a full charge, most hearing aids deliver 18 to 30 hours of continuous use, depending on the model. Battery life may be shorter if you’re:
- Streaming Bluetooth audio regularly
- Spending time in noisy environments
- Using advanced features like directional microphones or tinnitus masking
To support these features without constant recharging, we recommend pairing your device with hearing aid accessories such as portable charging cases or power banks.
What If You Don’t Have Your Charger?
It happens – chargers get left behind, lost, or damaged. If you don’t have your usual dock:
- Use a USB-enabled travel charger if your device supports it
- Try a compatible portable power bank for emergency charging
- Contact your provider to order a replacement or find a backup solution
Some manufacturers offer charging cases with built-in batteries so you can recharge without an outlet. Not sure what works with your device? Our video instructions walk you through common charging methods.
Tips to Extend Battery Life
To get the most from each charge:
- Charge fully overnight – but unplug once the cycle is complete
- Store hearing aids in a dry, room-temperature place
- Avoid letting batteries fully drain before recharging
- Keep charging ports clean and free of debris
These small habits help protect your battery’s long-term health and reduce service visits.
Charging During Power Outages or Travel
If the power goes out or you’re headed on a trip, plan ahead:
- USB car chargers work for many rechargeable models
- Solar power banks can be useful in emergencies
- Travel kits with spare accessories can save the day
Ask your Hearwell specialist for suggestions that match your hearing aid brand and travel habits
When to Replace Your Hearing Aid Battery
Most rechargeable hearing aids use lithium-ion batteries that last 3 to 5 years. Signs it might be time for replacement include:
- Shorter-than-usual battery life
- Inconsistent charging
- No response after full docking
We provide hearing aid service and battery replacement support – always with transparent pricing and expert care.
Need Help With Your Hearing Aids?
Our licensed team is here to help – from selecting the right accessories to replacing chargers and extending battery life. Hearwell offers in-home visits, trial periods, and ongoing support to keep your hearing care easy and effective.
Book your hearing assessment today to get personalized support from our audiologists and hearing aid specialists.
Ready to stay powered, no matter what? Hearwell makes it simple.
Dr. Jessica M. Frankel
Co-Founder | Doctor of Audiology