Yeah, I know it is a standard way of doing it, but is it good? Good in a way that TM advertises 60 kWh and 85 kWh versions and the confusion that at least 3/4 ob Model S owners share. They are a bit familiar with kW from ICE world (don't really know what it means). They now see kWh and don't know what to do with extra h they forget about it and go saying they have a 60 kW model S. 60 kW ICE car is a P*O*S people mover not a luxury car. Yes they are wrong, but that doesn't stop them misrepresenting their car in the eyes of others who know sh*t of physics and cars. Oh, you have 60 kW? Meh, I have 200 kW! Yes, advertising batteries in terms of their rated range would be even worse. What would be much better is representing the capacity in the right unit - Joules. 60 kWh battery should be advertised as 216 MJ battery and 85 kWh battery should be advertised as 306 MJ battery. When someone would ask what MJ stands for they could answer it stands for MegaJoules, millions of joules, millions! Such advertising/designation would be 1. completely right from physics point of view (kWh is also), 2. they would not give misrepresentation hammer into the hands of joe shmoe (as they do with using kWh) 3. and mega is waaay better then mere kilos of whatever If they don't want to switch kWh for MJ, they could at least stop differentiating between them on kWh. Call the 60 kWh basic battery, and 85 kWh range battery or something similar. These 60 kW Model S sh*t must stop BEFORE they move to GenIII.