Originally Posted by
mtb_addict
It must be normal for Lithium battery. Even $100k electric Tesla car batteries struggle in cold. Nytimes guy got stranded because the range in winter was much much less than advertised.
I'm so glad I invested in dynamo headlight and taillight. No batteries.
Maybe you should work on redesigning the dynamo to work on Tesla wheels so they can charge themselves while driving and have infinite range.