Originally Posted by Reed Cundiff
LFP batteries should not be charged if below 32 F (0C). If the temperature gets below 35, we shall just put in an inspection lamp with 30 W bulb. There have been discussions on similar topic previously; just wanted to share what we found out last night.
Here is a link
to another possible (albeit more expensive) battery heating solution. This type of heater could be built right into the pack and would be much more efficient than the incandescent lamp in an open space approach, especially if you added an insulating blanket of some sort around the battery pack. Also, these
might be an option.
Tom - KK8M -Warren, Michigan
MI Licensed Electrician, ISA Level 2 Certified I&C Tech, UL Certified PV Installer, Organic "Olla Irrigation" Gardener and bona fide Schlepper