How battery charge in freezing temperature?

[Lucas Mill]

Hi everyone, I am not an expert in battery. I would like to know that is a necessary charge battery at below 0℃? Cause I find a product that provide chargeable battery at cold environment: https://www.grepow.com/page/low-temperature-battery.html
Is that work? However, how can battery achieve low-temp charge?

 

[Happyjax]

Hello Lucas and welcome

Based on the link I assume you are looking at a LiFeP04 battery. They do not like to be charged below freezing temps but many have insulated the install to help keep the battery warm and a small heating pad type arrangement can help. If you are not going to travel in very cold weather a lot it may not be such an issue.

AGM's and Lead Acid are fine in freezing weather.

Other's will chime in I am sure

Good Luck

 

[CougarCouple]

I have read of putting a heat source ( ie heat pad) and a aluminum plate on top then that batteries. I’m sure there is a temp probe to regulate the temperature. Also this was a very large system on a all electric camper. Another idea might be to duct part of your heat to the battery compartment. I think they only need to be above freezing.

Russ