That's cool for replacement, but the weight of these things is in the X00 kilos range. This is not swappable like a laptop battery. It may weigh up to a quarter ton. =/
Every existing shop and many auto enthusiasts can currently handle that without too much of a problem.
I'd see it as similar to a transmission swap, but more likely simpler.
The average person can't change a tire, or the small 40lb battery in their existing car. It's unlikely they'll try to change a full battery in their new electric vehicle.
As long as it can be replaced and upgraded to keep up with the battery tech, then that's all that's really needed.
I imagine you'd see small forklifts at service stations for that purpose. It would require a standardization effort that I don't believe is happening, though.
It would be great if the batteries were hot-swappable in a user-serviceable fashion and accessible via opening the front and rear car doors to reveal a panel at the bottom with battery bays. The batteries could be approximately the width of a hard drive with the depth of the battery being half the width of the vehicle. You would have perhaps 8 such battery bays accessible from behind each door, for 32 hot-swappable bays in total. A quick search shows that the batteries in a Tesla S weigh about 600 pounds, meaning each one would be 20 pounds; easy for just about anybody to change.
