I guess Espoo also got a lot of snow this winter. They had lots of problems with excess snow in Helsinki, which is very close to Espoo. It was something like -35C at worst and it lasted weeks. Southern Finland stays few degrees warmer. While diesel engines had problems with frozen pumps (and diesel itself, hehe), my EV did work okay, hehe. And so did controller. I was able to get heatsink temperature barely above 0C when pulling 200-300A from batteries.
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