limited regen

Ok, so I noticed this recently, and I’d like to know if other people have similar experiences. Back in December, I started charging to just 80% because I wasn’t doing a lot of traveling that month. While I was only charging to 80%, I never had more than 1/2 full regen because the battery was...

Is there a difference? Every morning I have been charging to 90% then preheating for 45 mins while charging to 100% right before I leave for work. It's around 5-10 degrees fahrenheit so I still have the dotted line and reduced regen with the occasional banging of the breaks coming loose from...