Now with electric cars we have battery capacity specified in kWh, vehicle power in kW and charging capability in kW. This is all as it should, however a large

Now with electric cars we have battery capacity specified in kWh, vehicle power in kW and charging capability in kW. This is all as it should, however a large number of people have a really hard time groking the difference between kW and kWh. So much so that I wonder if we should start specifying battery capacity in MJ to help people clarify things in their heads.