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  3. Lithium Battery Support (100& 250Ah)

Lithium Batteries (LiFePO4) - Do Lithium Batteries Work In the Cold?

It’s better to charge lithium batteries in warmer temperatures. Lithium batteries will not accept charge at freezing or below. The optimal charging temperature range on most lithium batteries is 32°F (0°C)- 131°F (55°C).