Phonak Mercury Free Size 312 Zinc Air Hearing Aid Batteries (60 Batteries)
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Battery life is different for each battery, some are for a day, some are for 2 weeks
German. They are made there. I find them to be quite effective. In Ray's words
Since I purchased the batteries for my wife's hearing aid, I do not know how to answer your question. The best course of action would be to contact the manufacturer directly.
Although I did not stamp the date on the batteries since I purchased them for my wife, I believe the batteries should have a date stamped on them. To find out what expiration date(s) are at issue, I recommend asking the seller.
Selected User Reviews For Phonak Mercury Free Size 312 Zinc Air Hearing Aid Batteries (60 Batteries)
It looked as though the package containing the batteries had been packed inside a padded envelope, and its contents had been smushed under some heavier boxes. Inside the package, some battery cells were loose. The hearing aids made a strange noise when I used them, and I returned them. I tested a few of them in my hearing aid and they made an even stranger sound.
I found these to work just as well as the batteries I get from the doctor's office. The package was ripped open and there were lots of packages, but the batteries were okay.
This is the battery we need for our I purchase these batteries as often as I already do and they last for about I liked how easy it was to order and how timely I received my order.
There was plenty of room, the price wasn't too bad, and the product arrived when it was scheduled.
It's a thank you from my husband's ears!.
I'm very pleased with my hearing aids, and they last much.
The same brand of hearing aid batteries is supplied with the.
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