If everybody wrote off the used batteries, then the price of used batteries would be practically nothing. And then somebody would say, Gee, you mean I can buy 1

If everybody wrote off the used batteries, then the price of used batteries would be practically nothing. And then somebody would say, Gee, you mean I can buy 1MWh of old Nissan Leaf batteries for $1,000...? An application will be found, or they will be recycled, whichever has better economics.