If I use the navi to go on a long trip, it will route me from super charger to super charger an tell me how long I will have to charge at each super charger to reach the next super charger. But what does "reach" mean? If I charge for as long as the navi tells me, will I (theoretically) reach the next super charger with 0% left? Or 10%, 20%? I'd like to arrive with at least 20%-30% left, so will I have to charge longer than the trip planer / navi tells me?