Best AA Batteries for Winter

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• Hello and thank you for a great website and a really interesting article on batteries. I've often wondered about the different types but now at last I know what they are and what are the benefits of each.
  Cheers. Peter

  • Thank you Peter! I aim to inform.

• I honestly didn't think that the makeup of the various batteries really impacted their performance. I suppose it makes sense, and it especially does now after having read your post.

  • I'm glad you found the post informative Jared! Thanks.

• I am glad to know about these things about AA batteries. Thanks for the very informative post.

  • Thank you! You're welcome :-)

• Hello, when you say Rechargeable Nickel-Metal-Hydride won’t perform too well at sub-zero temperatures, do you mean not recommended below freezing (32 F) or not recommended below 0 F? We have outdoor security sensors and won’t regularly go below 0 F, but much of winter is in the teens and twenties. Knowing that the cold drains batteries, I’d like to use rechargeable, but not expect to change them out more than once a month. Thank you!

  • Hello, and I apologize for the late reply.

    Sub-zero basically refers to below zero fahrenheit. Now, whereas the NiMH batteries will probably be okay in temps that hover in the 20's and 30's... if you want complete piece of mind, just in case the temp takes a dive for an extended period, I might go with lithium (disposable) AA's, which aren't so susceptible to cold. Even though they're designed for higher-drain devices like digital cameras, they should do well in your sensors as well.

    Thanks for the question!

    • For my cams (Northern WI) I use the Energizer Ultimate lithium's for November through February when I take them in (The Advanced Lithiums are cheaper but don't work in sub zero temps). I then set those batteries aside and use Alkaline batteries or rechargeables for the summer. For non-cellular cameras I can use a set of the ultimate lithium's for 2 to 3 winters before changing them out. This keeps costs down, rather than wasting the expensive batteries in the summer when the cheaper option will work just fine. I haven't found any other batteries that work well in consistently freezing temps. This was a good article. confirmed that I really don't have any better options right now. Thanks

      • Thanks for sharing your comments Nathan.

• thanks for sharing nice input.
  good work.

  • Thanks for the comment.

• Curious about previously bought Panasonic AA batteries, Ni-MH 2050 mAh, rechargeable, HHR-3MRA. I could leave them in a trail camera in Darby MT for about six months, late December to early June and they still have a 30-40% charge and had taken 3-400 photographs of animals along the creek bed. Nobody believes such batteries ever existed and I cannot any AA batteries like this in battery stores or on the Internet. Any comments or advice? Thanks, JBA

  • Thanks for the question!

    Do you still have these batteries? If not, I wouldn't be too concerned if you can't find them anymore. There are several good brands of NiMH, the best of which are probably Eneloop by Sanyo. Amazon also has a line of their own batteries which seem quite good. I would also recommend Powerex as well.

    Good luck with your photography!

• You've just helped me figure out why our outdoor -40F rated thermometers are not working in the fridge and freezer in the garage! It's the batteries. I will pick up some lithium AAs very soon. The back story is we had our backup fridge and freezer die on us and by the time I found out all our meats were thawed in the freezer. We lost a lot of expensive stuff. So I wanted to wirelessly monitor the temps from the kitchen. I got 4 acurite indoor outdoor units, labeled them and set them up. Slowly the freezer one quit first, then freezer 2.... Now I think changing our batteries will do the trick.

  • Thanks for sharing your experience! I truly hope the better batteries will solve the problem!

  • I tried this with a refrigerator, and found the Acurite sensor wouldn't penetrate the metal exterior of the fridge. Were you able to receive a signal eventually? If so, which model of sensor do you use?

    • I got a cheap dual display unit off of eBay. I actually got 2 which is a good thing because one of the remotes loses signal until you reset the base unit. I have them 30 feet away in deep freezers at -15 F. They have been working for a week with Publix cheap batteries through metal doors. The only model numbers are WA50 with two sensors.

• Fabulous information in this post. I did a web search for best cold weather batteries. - Your tutorial on AA batteries popped up as the first option at the top of the screen. I need look no further. I had thought I remembered that lithium batteries would handle the cold better than regular batteries, so was glad to have that thought confirmed.

  I want to get an outdoor clock so that when I'm working in the yard I know when to come in to feed the dog, or start dinner, or get a glass of water. I may need to bring the clock in for the winter, but I think for at least one cold season I'll test it out to see if the lithium batteries (and the clock itself) can handle the cold. A clock that is made for outdoors is obviously intended to withstand the rain, so maybe it can handle the driven snow, as well.

  • Thanks for the comment Christine!

    Good luck with the clock. I hope it serves your purpose well, and that the batteries you choose, hold for the winter. As long as they're lithium, I can't imagine you'll have a problem.

• I have solar light tubes that have a solar powered night light in them. The label in the fixture says the nimh battery must be rated for >70c.the existing battery is rated @ 1500 mha. I can’t find any that are rated at that temperature except Eneloop pro. They are hi capacity and the recharge cycles are less than desirable. Unfortunately the manufacturer of the solar tubes has the batteries made for them but don’t offer them for sale
  Any suggestions?.

  • Hello Woody,

    I'd probably need to see a link to the solar light, to get an idea of battery acceptance. If it DOES accept Eneloops, I would use them, because they can still be charged hundreds of times.

• Do you have lithium D size batteries?

  • I do not know of any Gary. But thanks for asking!