Rayovac Mercury-Free Hearing Aid Battery Size 312 (8 batteries)

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2 Responses to “Rayovac Mercury-Free Hearing Aid Battery Size 312 (8 batteries)”

  1. SS says:
    15 of 15 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:
    7 of 7 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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