Rayovac Hearing Aid Batteries - Blue - 675 / PR44
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Product Information
Full details
This guide is for users of analog and digital hearing aids who need reliable, mercury-free power. The key benefit is consistent performance from a leading manufacturer. A minor caveat is the activation process requiring a brief rest period. These Rayovac hearing aid batteries (size 675, blue tab) offer fresh, quality power in a 60-pack. Key features include mercury-free composition, suitability for all hearing aid types, and consistent energy delivery throughout their lifespan.
All features
| Colour | Blue |
|---|---|
| Model Part Number | 675 / PR44 |
| Brand | Rayovac |
Extended Product Information
FAQs
What does '675 / PR44' mean?
This refers to the battery size and type. '675' is the common industry name, and 'PR44' is the IEC (International Electrotechnical Commission) designation for this specific size and type of zinc-air battery, often used in hearing aids.
Why do I need to let the battery rest after removing the tab?
These are zinc-air batteries. Removing the tab opens tiny holes, allowing air to enter and interact with the zinc, initiating the electrochemical reaction that produces power. The one-minute rest allows this process to stabilize for optimal performance.
Are these batteries safe for the environment?
Yes, these Rayovac hearing aid batteries are mercury-free, making them a more environmentally responsible choice compared to older battery types that contained mercury.
How long do these batteries typically last?
The lifespan varies depending on the hearing aid's power consumption and how long it is used daily. Generally, size 675 batteries can last anywhere from 5 to 14 days.
Can I use these batteries in any device other than a hearing aid?
These batteries are specifically designed for the low, constant power demands of hearing aids. They may not function correctly or for long in other electronic devices.
What is the shelf life of these batteries?
Unactivated, these batteries have a long shelf life, typically 2-3 years, when stored in a cool, dry place away from direct sunlight.
How should I dispose of used hearing aid batteries?
It is recommended to check with your local waste management authority for specific disposal guidelines, as recycling programs for small batteries are often available.
Troubleshooting
Hearing aid not turning on after battery replacement
Ensure the colored tab has been removed and the battery has rested for at least one minute. Check that the battery is inserted correctly according to your hearing aid's orientation markings. Clean the battery contacts in the hearing aid with a dry, soft cloth.
Intermittent sound or poor hearing aid performance
The battery may be nearing the end of its life or was not activated correctly. Try activating a new battery and allowing it to rest for the full minute. Ensure there are no obstructions in the hearing aid's sound outlet.
Battery drains very quickly
Verify that the battery was properly rested after tab removal. Ensure the hearing aid is switched off or the battery compartment is closed when not in use, as even small gaps can drain the battery. If the issue persists with multiple batteries, there might be an issue with the hearing aid itself.
Pros and Cons
Pros
- Mercury-free for a safer product.
- Works with both analog and digital hearing aids.
- Provides consistent power for reliable performance.
- Easy to activate and use.
- Comes in a convenient 60-pack.
Cons
- Requires a 1-minute rest after activation for optimal performance.
- Packaging may vary, but product quality remains consistent.
Setup, Compatibility & Care
Setup: To activate a Rayovac hearing aid battery, gently pull the colored tab (blue for size 675). After removing the tab, allow the battery to rest for at least one minute before inserting it into your hearing aid. This rest period allows the air-activated chemistry to begin working optimally.
Compatibility: These size 675 (PR44) batteries are universally compatible with all types of hearing aids, including both analog and digital models.
Care: Store unused batteries in their original packaging at room temperature, away from extreme heat or humidity. Do not refrigerate. Keep batteries away from small children and pets, as they can be a choking hazard. Ensure the battery compartment in your hearing aid is clean before inserting a new battery.