Rayovac L312ZA-16ZM Mercury Free Hearing Aid Batteries – Size 312, 16 Count Package

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3 Responses to “Rayovac L312ZA-16ZM Mercury Free Hearing Aid Batteries – Size 312, 16 Count Package”

  1. SS says:
    11 of 11 people found the following review helpful
    5.0 out of 5 stars
    Great battery, October 18, 2011
    By 
    SS

    These batteries will last much longer if when you remove the yellow tab, you wait a minute before putting them into your hearing aid. A minute seems like a long time but it is worth waiting that minute to get a much longer battery life. The air has to activate the battery and you just have to give it time to do so. I actually discovered this by accident so thought I would share the tip.

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  2. Lynn says:
    5 of 5 people found the following review helpful
    5.0 out of 5 stars
    Rayovac has improved their mecury-free hearing aid batteries!…Updated rating went from 4 to 5 stars,, May 11, 2011
    By 
    Lynn
    (TOP 500 REVIEWER)
      
    (VINE VOICE)
      

    I knew the day was coming when I wouldn’t have any choice but to buy mercury-free hearing aid batteries. After my bad experience in 2009 with Rayovac’s mercury-free batteries, I purchased a year’s supply of Duracell zinc air batteries at a local store. Well, I recently used up my zinc-air supply & had no choice but to purchase these Rayovac Mercury-Free, Improved Performance, hearing aid batteries. I wasn’t expecting much, & I was hoping that their blurb, ‘World’s Longest Lasting Mercury-Free’ on the front of the package was true. So when I used the first battery from the package, I wrote the day & time I put it in my hearing aid. Lo & behold it lasted 7 days plus 5 hours. It didn’t start beeping after 3 days use & lasted longer than the Rayovac mercury-free batteries I used in 2009.

    I’m rating this at 4 stars & will change it to 5 if the batteries continue to perform as they should.

    UPDATE: I’ve been using these batteries for over a month now & they continue to last a little over 7 days. Thankfully, my experience has been a good one. Rayovac’s claim that these mercury-free batteries have been improved is true.

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  3. Hank Unck says:
    1 of 1 people found the following review helpful
    1.0 out of 5 stars
    Disappointed with poor qaulity, April 28, 2012
    By 

    Amazon Verified Purchase(What’s this?)

    Generally speaking, Rayovac Hearing Aid Batteries are excellent. When I purchase them locally at drug stores, they last 4 days before the “low battery” chime sounds, and then still work for up to 13 hours until they finally die. However, with the ones I purchased through Amazon, which are the exact same Rayovac product number, the low battery chime starts within 2 hours, instead of four days, and the batteries die in approximately 8 hours, as opposed to nearly 5 days.

    I noticed that they are old stock, based on the “use by” date on the package. I would recommend that Amazon require sellers of batteries and other products with expiration dates, to state the “use by” date in their product descriptions.

    Although the cost of this package of 16 batteries was less than what I pay at a local retail retail store, the higher local retail cost is a much better value, because such a fresh package lasts over 2 months, versus less than 16 days, at the rate the batteries from this purchase are dying.

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