Gentlemen
Thank you for your comments. Indeed I’ve had the car for 3 winters now and know the effect of colder weather on range. This reduction became in the summer.
When I bought the car, I was told initially (probably wrongly) that a rapid charge once every 3 months was good for the battery...
The battery range on my 3-year old Outlander PHEV has reduced by about 1/3rd in the last 6 months to about 18 - 20 miles. This is coincidental with occasional use of public chargers showing 30% of the charge left in the battery when the vehicle was showing the battery exhausted and its range as...