Hi, I am looking at purchasing a used IS 300H 2013/2014 with approx. 60K /75K mileage. Currently driving a 2008 IS 250 with 200K mileage. My question really relates to the longevity of the battery or possible mistreatment or whatever. Any IS 300H owners with high mileage wishing to share their thoughts. I do 30K+ per year.