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thingstodo · 08-27-2013, 02:04 AM

Does anyone know from experience what the low temperature on their BMS is programmed to? Where the BMS refuses to charge the batteries until they warm up.

I have read 0C (32F), -20C (-4F), but as seen on EVTV (that`s why I looked) the battery spec sheets don`t seem to match the advertising, or sometimes even other spec sheets for the same chemistry but a different amp-hour capacity.

I am going to have to heat my pack, and insulate it. Saskatoon, Canada gets down to -40C (-40F) a few days a year. That may cause me some issues in summer when I may need to cool the pack ... we also get a day or two that hits 35C (95F).

08-27-2013, 02:04 AM	#18 (permalink)
thingstodo Master EcoModder Join Date: Sep 2010 Location: Saskatoon, canada Posts: 1,488 Ford Prefect - '18 Ford F150 XLT XTR Tess - '22 Tesla Y LR Thanks: 749 Thanked 565 Times in 447 Posts	Lowest temperature for charging LiFePO4 Does anyone know from experience what the low temperature on their BMS is programmed to? Where the BMS refuses to charge the batteries until they warm up. I have read 0C (32F), -20C (-4F), but as seen on EVTV (that`s why I looked) the battery spec sheets don`t seem to match the advertising, or sometimes even other spec sheets for the same chemistry but a different amp-hour capacity. I am going to have to heat my pack, and insulate it. Saskatoon, Canada gets down to -40C (-40F) a few days a year. That may cause me some issues in summer when I may need to cool the pack ... we also get a day or two that hits 35C (95F).