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Home > Batteries > Watch & Electronic > Silver Oxide 379

Energizer® Silver Oxide 379 Battery

For electronics around the house, like keyless entry, electronic books and glucose monitors, Energizer goes beyond the basic battery sizes to bring you the ones you need.

Product Specs

  • World-class capacity and leakage resistance
  • Used in watches, toys, glucose monitors, and calculators
  • Cell size: 379
  • Volt: 1.5
  • Replacement for: 280-59, D379, SB-AC, SB-DC, SR521SW, SR63

Product Datasheet

Energizer Silver Oxide 379 Battery 3.7 5 3 3
Your Batteries are the Best. I use your Batteries everyday . I wear two hearing aids and they last me for more than a week or so. The come in such a easy dispencer when the old one goes out I just slip another one right in. I carry them in my purse. I also sell On ebay and use your battereries for my camera.The camera takes regular or rechargeable and I have both kinds. They haven't failed me yet like those cheap one have before. I am always sure to buy Energizer. Keep Up the Good Work. Thanks. May 1, 2012
trusted product i only use Energizer batteries in my watches. i tried another brand and found that they either died before there time or ran slow. For a trusted brand i only pick energizer. September 12, 2012
rust on hearing aid battry it seems the mercury free 675 hearing aid battery if exposed to a small amount of moisture will rust and get stuck in the aidand turns it off but when checked is full power some sanding to remove the rust and now it works.so we will not purchase this item again,and will advise all that sweat a littel not to use these , not a problem with Duracell,thought that they were stainless steel but not they also do not seem to test them for rusting,Must be made inChina and no quality control farm it out and do not look back?? this is the second time for me. hogi wclassen @telusplanet.net if you want to ask,contact us dose not work for mail here.should send them one that is rusted from use to prove my point but they will not care but send cupon to buy more rust. June 21, 2012
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(3 Questions : 3 Answers)

Q&A for Energizer Silver Oxide 379 Battery

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Housing?

Where can i buy a housing for this battery?
1 year, 3 months ago
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Answer: 
We are not aware of any housing for the 379. I think we would need more detail behind your question. You may want to reach out to our customer service team to help answer this question, and you can find their contact information on Energizer.com.
1 year, 3 months ago
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EnergizerChris1
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Manufacture date?/Expiration Date

Hello,
The Energizer 379 batteries I bought online has a copywright date of 1998 and a code of: -YA- ? Can you tell me what the use by date & expiration date is?

Thank you.
Wendy
Age: 35-44
Gender: Female
I've used this product for: Under 1 year
My primary use is: Personal
I purchase specialty batteries at: Online
I replace my battery: 1-2 times per year
10 months ago
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TN
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Answer: 
The 379 batteries that you are referring to have an expiration date of March 2016.
10 months ago
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EnergizerChris1
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DIFFERENCE BETWEEN TWO BATTERIES

I need to know what the exact differences are between these two batteries, the- BPZ379 & the- Sr521sw
Are they the same chemistry? Or specifically is there a chemistry difference? Or are they the 'exact' same battery in different packaging? Will one last longer than the other? Which one is the 'newer' style?
Age: 45-54
Gender: Male
I've used this product for: 1-5 years
My primary use is: Personal
I purchase specialty batteries at: Online
I replace my battery: 5 or more times per year
8 months ago
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Greer, SC USA
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Answer: 
These battery types are the same. The description SR521SW is simply the IEC description versus the Energizer description 379. Both battery types are identical and can be used as replacements for one another. Certainly quailty and performance of the battery may be dependant on the manufacturer, but for the most part, one should technically last as long as the other.
7 months ago
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