This is not so bad as most seem to think. Consider deep deep north with no sun, no wind and -40C. Pre-charged lithiums are dead too, unless you keep them warm i

This is not so bad as most seem to think. Consider deep deep north with no sun, no wind and -40C. Pre-charged lithiums are dead too, unless you keep them warm in your trouser pocket. At this moment however, peltier element ( https://youtu.be/R1A5qc872Ks https://youtu.be/R1A5qc872Ks ) makes more sense, mostly because you can use the wasted energy to boil rice or warm up your hut.