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Smoke and CO Alarm - Using non specified batteries

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  • Jul 15th, 2020 9:33 pm
[OP]
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Apr 4, 2017
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Smoke and CO Alarm - Using non specified batteries

Hi RFD,

I just changed the battery on my First Alert Smoke and CO alarm. On the back of the alarm it asks for Energizer E91 or Duracell MN1500 only. Both these batteries are typical 1.5V AA Alkaline batteries. Do I have to use these specific batteries or can I use any typical 1.5V AA Alkaline batteries?
Last edited by IHavocI on Jul 14th, 2020 4:22 pm, edited 2 times in total.
9 replies
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Jan 5, 2003
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Cheaper, non-name brand batteries tend to leak more. Name brand ones tend to have better quality control or processes so they're more reliable (although I've had Duracells leak as well). For toys and remote controls, it doesn't matter if it stops working, but for critical things like alarms, I would recommend name brand or high quality ones (Kirkland ones at Costco are manufactured by Duracell, I believe).

Note that most Panasonic batteries (blue/black coloured) in dollar stores are carbon zinc, so not even as good as alkaline, and I wouldn't consider that a "name brand" battery brand.
[OP]
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Apr 4, 2017
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jm1 wrote: Cheaper, non-name brand batteries tend to leak more. Name brand ones tend to have better quality control or processes so they're more reliable (although I've had Duracells leak as well). For toys and remote controls, it doesn't matter if it stops working, but for critical things like alarms, I would recommend name brand or high quality ones (Kirkland ones at Costco are manufactured by Duracell, I believe).

Note that most Panasonic batteries (blue/black coloured) in dollar stores are carbon zinc, so not even as good as alkaline, and I wouldn't consider that a "name brand" battery brand.
Thank you.

I was just looking at Kirkland batteries on the Costco website and the reviews don't look good (issues with leaking).
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Oct 26, 2003
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I haven't replaced battery on alarms for while, I know a decade ago they do drain out the battery but for the last decade the battery actually lasts the life of the alarm which is typically 7 years.
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Oct 23, 2008
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divx wrote: I haven't replaced battery on alarms for while, I know a decade ago they do drain out the battery but for the last decade the battery actually lasts the life of the alarm which is typically 7 years.
Are those the built-in lithium batteries. Sounds like the OP is using a general smoke/CO alarm that uses regular AA batteries, so recommended to change 2x/year

I would definitely stick to the Duracell or Energizer as they're more well established product.


OP, change your title to smoke & CO (carbon monoxide), not CO2 (carbon dioxide)
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Nov 11, 2008
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I would not buy Duracells. They always leak. Stick with energizer.

I do have to give Duracell credit for replacing all my devices they leaked in.
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Oct 26, 2008
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EPcjay wrote: I would not buy Duracells. They always leak. Stick with energizer.

I do have to give Duracell credit for replacing all my devices they leaked in.
Agreed - I gave up on Duracell batteries long ago as they tend to leak. Energizer seem to be good, often on a decent sale price, and sometimes M.I.R. offer.
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Oct 26, 2008
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jm1 wrote: ......
Note that most Panasonic batteries (blue/black coloured) in dollar stores are carbon zinc, so not even as good as alkaline, and I wouldn't consider that a "name brand" battery brand.
The Panasonic D cells (carbon zinc) I just bought at a dollar store are made in Indonesia with the USA HQ cust. service no. so I would consider them "name brand".
Certainly inspire more confidence for me than random made in China ones.

That dollar store did have Alkaline Panasonic D cells, gold coloured, at 3 times the price. Not sure they would last 3 times longer, but might be justified for some applications.
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Sep 13, 2016
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No to Duracell. Have had a number of instances of them leaking while still in packaging.
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IndyBeak wrote: No to Duracell.
I've had them leak more often then any other brand. ... and now that we have kids, we go through our share of batteries. It's now at the point when we get a toy or device that comes with duracells, I toss them out immediately and replace them with a different brand.

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