The thing with those discharge curves is that due to constant drain they heat up themselves.
Colder and older batteries more from elevated internal resistance.
High performance from hot batteries is why you see very small penalties in high drain graphs.
If you would let them cool let's say 10 times during one cycle it would be another graph (and
longer cycle life aswell).
From experience of Swedish winters I'd say it's no problem if you keep the bike indoor -so you start
off at room temperature and more importantly let the battery warm up an hour or so before start charging.
Also avoid regen on a <+5 degrees battery...
Colder and older batteries more from elevated internal resistance.
High performance from hot batteries is why you see very small penalties in high drain graphs.
If you would let them cool let's say 10 times during one cycle it would be another graph (and
longer cycle life aswell).
From experience of Swedish winters I'd say it's no problem if you keep the bike indoor -so you start
off at room temperature and more importantly let the battery warm up an hour or so before start charging.
Also avoid regen on a <+5 degrees battery...