Recent content by turbogts22

I've read about several issues with 12v lithium starting batteries when used in snowmobiles. They'll usually start the machine fine in the cold but the battery's BMS won't allow charging in sub zero °F temps. This ends up causing issues with the charging system and sometimes blows out the stator...

I'm not trying to charge the HV battery when it's well below freezing so that isn't the concern. The 12v gets charged whenever the car is on/ready and lithium 12v batteries don't always play nice with this depending on the chemistry. If I moved south none of this would even matter but that'll...

Our EV's are garage kept in the winter months so the brutal cold typically an issue. My concern would be if I travel anywhere and the car is left out. -9F the other morning was dang cold for this time of year. Aliexpress has a variety of sodium 12v battery sizes to choose from and the prices are...

Great write up! When I upgrade mine I'm thinking of trying out a sodium ion battery. These work well down to -40F unlike lithium. I live in a northern climate with cold winters so lithium isn't an option.