charging

Hi, Wondering what the best charging habit would be to preserve the battery. I charge up to 80% and my daily average is 25 miles/day. I live in the Midwest. Is it best to charge daily, level 2, for 1hr. To get the 25 miles back. Or let the battery go down to 30-40% and charge up again to 80% as...

It's slowly getting colder and miles/charge is dropping. I've had my Bolt for nearly a year and have a good handle on range and charging,,, but what is the best strategy for charging when it's cold out? Background, I live in chicago and park on the street with no charging available. My...