Lithium Vs Lead Acid Batteries in Cold Temps

With winter just around the corner, one of the most common concerns of RVers relates to their batteries.

The big question is: which batteries work best in cold temperatures – lead acid (AGM) or lithium?

This can be a complex topic. With the latest release of some interesting new data testing on battery performance, we put together this article to simplify the key highlights for you.

In a study released in a detailed white paper by Battle Born Batteries, LiFePO4 lithium batteries dramatically outperformed a similarly sized bank of lead acid AGM batteries.

The idea that lead acid batteries are still worthwhile at cold temps was blown out of the water by this study.

With so little available power from the lead acids, you would use it up very quickly and it will be difficult to replenish the power since lead acids are so slow to charge, especially when it is cold. Lead acids cannot be charged when super cold either, because of the resistance.

The fact that lithium can still deliver so much power at cold temperatures means that it can use some of that energy to power an external (or internal) heat supply. This, in turn, allows them to stay warm enough to accept power.

In a nutshell, all of this means that you can stay off grid longer, and in more comfort, with lithium batteries.

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