- Total of 48 Premium Zinc Air Batteries, now Mercury Free
- Compatible with all Size 312 Hearing Aid Batteries
- Up to 4 Year Shelf Life
- Now Mercury Free
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Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.
Actual product packaging and materials may contain more and different information than what is shown on our website. We recommend that you do not rely solely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. Please see our full disclaimer below.
Product Description
These are the top of the line batteries from Rayovac, with up to a 4 year shelf life and guaranteed freshness. Rayovac Proline are only sold through Audiologists and Hearing Aid Dispensers.
According to Rayovac, Proline Advanced are the longest lasting battery and Rayovac is a leader in hearing technologies! Rayovac uses digital imaging and 104 quality checks to test every battery so we can ensure you receive a powerful consistent battery every time.
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Most Helpful Customer Reviews
23 of 25 people found the following review helpful:
5.0 out of 5 stars
Rayovac Proline 312,
By GAJer (Gulf Coast USA) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: Rayovac Proline Size 312 Hearing Aid Batteries, 48 Pack (Health and Beauty)
I have been using hearing aids for 4 months now. These batteries were the ones I ordered after the free Energizer batteries ran out. I get 5 to 7 days depending on how many hours a day I wear the hearing aids which run from 6 to 10 hours a day. I cannot tell very well when to change them though, usually after I say "Huh" to 3 people in a row which is probably too long. The effectiveness does not drop off quickly but very gradually. I wish it was easier to tell when they weren't working. When I was not wearing the hearing aids I would open the battery holder so the batteries no longer were in contact to extend their use.
Things I liked: - The packaging is very nice. I remove the plastic dispenser wheel from the cardboard backing and it fits nicely in the hearing aids case. I always have up to 8 extra batteries when needed. I put the used batteries back in the dispenser when expired. It is easy to tell the difference between used and new. I will be looking for a place to recycle them when I get the next package. - Batteries seem consistent in how long they last, they also appear quality made. - Great price and free shipping, but that is Amazon not the batteries. Things I disliked: - They don't taste very good. Oh wait that is for a different review! Yeah I am getting older. Nothing I dislike so call it a definite recommendation from me. Edit: now 3 months later. During a visit to my audiologist I was informed that my Hearing Aid will beep when it is time for a battery change. So I let it run to that point and in fact when it did beep I thought it was someone else's cell phone. I have since found that using this method these batteries last between 10 and 14 days for me. I was fairly shocked how much longer they did last compared to my preconceived notion as to how often to replace them. I have not noticed any degradation to any functions to the hearing aids at all over that period of time. Now I am wondering if anyone knows where these can be sent to be recycled? It seems a shame to throw out something that appears that it can be so easily reused.
24 of 28 people found the following review helpful:
5.0 out of 5 stars
Best Batteries Ever,
This review is from: Rayovac Proline Size 312 Hearing Aid Batteries, 48 Pack (Health and Beauty)
All my previous hearing aid batteries have lasted only about 8 hours. These last a full week! Truly amazing.
11 of 12 people found the following review helpful:
5.0 out of 5 stars
no problem on these batteries,
By Earnest Jane (Fort Worth TX) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: Rayovac Proline Size 312 Hearing Aid Batteries, 48 Pack (Health and Beauty)
I am happy with my order. When the batteries arrived, I saw that they were the same kind my audiologist sells at her office. They were always of good strength. I think these that came through the mail are also. (Still in early stages of using them.) I recommend them. Rayovac Proline Size 312 Hearing Aid Batteries, 48 Pack
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