galenapass Offline Upload & Sell: Off
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Again,
(1) Store at low temp, but don't freeze. I think that everyone agrees on this point.
(2) Store in a sealed container with desiccant, as I mentioned. This takes care of the condensation issue.
Of course manufactures are NOT going to recommend the best way of minimizing capacity loss...just the safest for them. They take a very conservative route because not everyone uses common sense.
I have never had an issue, but, believe what you will.
EDIT - Look folks, if you are wondering about battery storage at room temp vs ~ 0C, snapsy has brought up some good points. It would seem that the biggest issue here is condensation. That is not going to be good for a battery. It is probably my fault for assuming everyone understands this and knows what to do to avoid such issues. I would not be dissuaded from storage in the refrigerator based upon some internet articles and manufacture suggestions. The first reference above focuses on the problem and does not suggest a solution, and manufacture suggestions are aimed at storage least likely to cause an issue. Look at the data and make up your own mind. If you think the battery is going to be stored for about a year, why worry about a few % capacity loss? If the battery is stored for use sometime in the future, then why not store it properly for maximum retention of capacity? Here are a few simple steps to completely avoid the issue of condensation.
(1) Use a canning jar that can seal well
(2) Use a good desiccant. A very common desiccant that is used is Drierite, which can be purchased on Amazon. It has a convenient indicator dye built in that will tell you if the desiccant is still good (blue = good, purple/pink =bad), removing any issue of guess work. If the Drierite is purple/pink throw it out and use fresh material. Put about one inch of desiccant in the bottom of the jar, then put the batteries on top. Close the lid and store.
(3) When removing the battery take the whole jar out of the refrigerator and let it come up to room temp. Remove the battery and re-store the jar if it has more contents. Always remember to let things come up to room temp before opening the jar.
It's that simple. How do I know? Well, I have a PhD in Chemistry and have put in more than 20 years at the bench. I have dealt with a wide range of water sensitive reagents and although this is just one method to deal with the issue of condensation (there are much more extreme methods), it will more than suffice for something as relatively inert as a battery.
Whether storage at lower temp is useful or not is up to the individual but be aware that the issue of condensation is rather simple to deal with and should not be a reason to abandon the idea of storage in the refrigerator.
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