I read an interesting article about people who charge their electric cars via solar panels or cheap rate electricity at night and then use the car battery to power their house during the day or even sell electricity back to the grid at high usage times. The Nissan Leaf was one of the cars quoted. Octopus Energy is trialling a similar scheme for twelve months. We have a large solar panel installation and anticipate using it to charge our next new car. Will frequent charging and discharging as described lead to a shortening of the car battery's life?