I have watched so many videos talking about low-temp charging protection, and I fully understand that you do not want to charge LiFePO4 battery cells when their temperature is at or even near freezing. I get that if you screw up and allow your batteries to charge when they are in a frozen state, you will damage and possibly even completely destroy them. That would be a very expensive mistake, but just how likely is it that we'll forget this important piece of information and charge cells when their temperature is too low? Doesn't it depend a lot on your use case, including when and how you would be charging the batteries back up?
I know there are a great many batteries being sold right now with no low-temp charging protection, but I don't hear very many stories from folks who failed to understand this and ruined their battery. I suspect this is because these batteries are used in locations where they are rarely exposed to freezing temperatures. It also seems like it would be a very simple matter to turn on a 12v seed tray warmer to get the cell temps up before attempting to charge them in extreme conditions.
Is this really a big deal, or is it simply something to be aware of if you buy/build a lithium iron-phosphate battery?
I know there are a great many batteries being sold right now with no low-temp charging protection, but I don't hear very many stories from folks who failed to understand this and ruined their battery. I suspect this is because these batteries are used in locations where they are rarely exposed to freezing temperatures. It also seems like it would be a very simple matter to turn on a 12v seed tray warmer to get the cell temps up before attempting to charge them in extreme conditions.
Is this really a big deal, or is it simply something to be aware of if you buy/build a lithium iron-phosphate battery?