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popularKatManDude posted Dec 23, 2025 01:09 PM
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popularKatManDude posted Dec 23, 2025 01:09 PM

YMMV Energizer Ultimate Lithium AA Batteries (8 Pack) w/Coupon $13.99

$14

$26

46% off
Amazon
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If you see the coupon then check the box in the pink section next to "Coupon price $13.99". Free shipping w/Prime or $35+

https://www.amazon.com/Energizer-...r=8-6&th=1
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If you see the coupon then check the box in the pink section next to "Coupon price $13.99". Free shipping w/Prime or $35+

https://www.amazon.com/Energizer-...r=8-6&th=1

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Model: Energizer AA Lithium Batteries - 8 ct

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Sort: Lowest to Highest | Last Updated 12/26/2025, 04:00 AM
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Amazon$18.99

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Dec 23, 2025 01:23 PM
3,441 Posts
Joined Feb 2008
overzeetopDec 23, 2025 01:23 PM
3,441 Posts
Okay if you only need 8. The 24 pack of Energizers is less per battery when not on sale, and the 3rd party lithium primaries (Rayovac [amazon.com]) are a little as $22.85/24 (95c ea) when you sign up for S&S and use the 30% off coupon.
1
Dec 23, 2025 02:05 PM
16 Posts
Joined May 2024
Reconwife2000Dec 23, 2025 02:05 PM
16 Posts
Quote from overzeetop :
Okay if you only need 8. The 24 pack of Energizers is less per battery when not on sale, and the 3rd party lithium primaries (Rayovac [amazon.com]) are a little as $22.85/24 (95c ea) when you sign up for S&S and use the 30% off coupon.
Wonder how the Rayovac compare to the Energizer brand...using for Nest smoke detectors.
Pro
Dec 23, 2025 02:08 PM
6,721 Posts
Joined Oct 2006
SquattingHen
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Dec 23, 2025 02:08 PM
6,721 Posts

Our community has rated this post as helpful. If you agree, why not thank SquattingHen

Quote from Reconwife2000 :
Wonder how the Rayovac compare to the Energizer brand...using for Nest smoke detectors.
I use the energizers in mine, have 8. Figured they don't have to be replaced often at all, so might as well stick with what I know works, and lasts. Probably better to do that then save a few dollars and have to replace more often.
1
Dec 23, 2025 02:56 PM
16 Posts
Joined May 2024
Reconwife2000Dec 23, 2025 02:56 PM
16 Posts
Quote from SquattingHen :
I use the energizers in mine, have 8. Figured they don't have to be replaced often at all, so might as well stick with what I know works, and lasts. Probably better to do that then save a few dollars and have to replace more often.
Yep! Exactly what I decided to do!
1
Dec 23, 2025 04:09 PM
50 Posts
Joined Apr 2006
wt9gDec 23, 2025 04:09 PM
50 Posts
Project Farm just did a review of AA batteries, including these and Rayovacs. These Energizers ranked #1.
https://www.youtube.com/watch?v=7eloV0mp6CE
2
Dec 23, 2025 04:17 PM
242 Posts
Joined Jan 2012
2kb4wuDec 23, 2025 04:17 PM
242 Posts
No longer $14. Coupon changed from $5 to $1.93 while in my cart.
1
Dec 23, 2025 04:19 PM
3,009 Posts
Joined May 2005
ucbengrDec 23, 2025 04:19 PM
3,009 Posts
coupon price is $17.06 for me. they must've slapped on some weird California environmental fee to the price.
3

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Dec 23, 2025 05:25 PM
537 Posts
Joined Nov 2009
Old_Snake308Dec 23, 2025 05:25 PM
537 Posts
Quote from Reconwife2000 :
Wonder how the Rayovac compare to the Energizer brand...using for Nest smoke detectors.
ProjectFarm just tested all of them
1
Dec 23, 2025 11:53 PM
8,267 Posts
Joined Jan 2007
dadabDec 23, 2025 11:53 PM
8,267 Posts
check your local costco. They started carrying these. Not sure what the price is but it's worth a wait if they come up with a coupon or goes on clearance
Dec 24, 2025 01:16 PM
1,199 Posts
Joined Aug 2013
TalA9559Dec 24, 2025 01:16 PM
1,199 Posts
Quote from Reconwife2000 :
Wonder how the Rayovac compare to the Energizer brand...using for Nest smoke detectors.
They're very good. On Project Farm most of the Lithium batteries performed really well, including the Rayovac. Just get the ones that are selling cheaper.
1
Dec 24, 2025 03:57 PM
3,441 Posts
Joined Feb 2008
overzeetopDec 24, 2025 03:57 PM
3,441 Posts
Quote from wt9g :
Project Farm just did a review of AA batteries, including these and Rayovacs. These Energizers ranked #1.
https://www.youtube.com/watch?v=7eloV0mp6CE
Here's the data from that video: In high drain applications, Energizer topped the capacity at 3.6 Ah, Rayovacs came in at 3.5 Ah, and the worst performing Lithium AA cell came in at 3.3Ah, a spread of <10% across 11 different brands. Essentially, choose by the unit cost. The best alkaline AA had just 72% of the capacity of the best Lithium AA. I'm not sure this is the best test of the batteries, honestly, as one of the best features of Lithium AAs is their exceptionally long life under micro-amp draws and in sub-zero temps, so they're exceptional for items you install and then don't touch for years on end.

If you want even more capacity, you can get a 4.1Ah *rechargable* lithium that also has low-capacity indicator (drops from 1.5V to 1.1V when the internal li-ion cell is nearly exhausted) using an XTAR lithium AA cell. They're also $6/cell, so more than a minor investment.
Yesterday 05:07 PM
1,097 Posts
Joined Aug 2016
nsknudsYesterday 05:07 PM
1,097 Posts
The older I get, the more I understand why we never had batteries around the house growing up.
Regular price is over 2 bucks a battery!
Yesterday 05:15 PM
2,805 Posts
Joined May 2018
TimlessYesterday 05:15 PM
2,805 Posts
Quote from overzeetop :
Here's the data from that video: In high drain applications, Energizer topped the capacity at 3.6 Ah, Rayovacs came in at 3.5 Ah, and the worst performing Lithium AA cell came in at 3.3Ah, a spread of
have you used those xtar batteries? any decent?

thanks for summarizing the project farm video.
Yesterday 05:31 PM
3 Posts
Joined Aug 2022
ScarletLaborer5781Yesterday 05:31 PM
3 Posts
How do these batteries compare to Eneloop batteries?

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Yesterday 08:33 PM
1,519 Posts
Joined Dec 2013
kaveh2kYesterday 08:33 PM
1,519 Posts
Quote from ScarletLaborer5781 :
How do these batteries compare to Eneloop batteries?
Apples to oranges. These are not rechargeable like Eneloop and these do better in cold conditions

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