>(Perhaps I should have said joules, not Wh? Units are confusing.) 1 Wh = 3600 J, so you're not wrong. It's the same thing as talking about using tonnes inste

>(Perhaps I should have said joules, not Wh? Units are confusing.) 1 Wh = 3600 J, so you're not wrong. It's the same thing as talking about using tonnes instead of kilograms, only the conversion factor here is 3600 instead of 1000.