I do not want to be anxious about battery fire in any way. So I will store and charge batteries in my shed in a box made of ciment boards.
So the worst can happen is smoke in my shed.
But in the winter the shed is not heated. It can get to -35 celcius here. I am thinking about adding a little heater and a thermostat in the box that I will insulate.
But before I want to ask if that is necessary and what is the best temperature for battery storage. I will not charge or use batteries during the winter but I want to keep them in good shape.
My batteries are Samsung 30q cells organized in a pack over deck, and I will get lipos or molicells in the future.
What do you think?