It seems like an electric car could be made with two sets of batteries: one swappable and one not. Use the swappable one more or less where the gas tank is an

It seems like an electric car could be made with two sets of batteries: one swappable and one not. Use the swappable one more or less where the gas tank is and use custom sized batteries elsewhere. You'd have to swap batteries more often on a long trip but I could see the swapping easily taking the same amount of time as filling a gas tank.