I've said it many times, and I'll say it again. the sine qua non for an electric car to succeed will be if the battery modules are standardized and easily removable; in fact designed to be removable. That way, if you are low you pull into a "filling station" an attendant pops one out and pops in a fully-charged one.
The one you dropped off is put into a charging rack (along with dozens of others) so it can be reused when recharged in an hour or so. Large warehouses (this is run by the oil companies after all, so they could use their existing gas station and distribution center infrastructure) would carry extra packs so if a "filling station" was getting low on fully-charged packs, they could call up and order more.
The number of battery modules a vehicle carries is dependent on size/cargo space: a small 2-person commuter car has 2 packs, while the larger truck or family van uses 8-10.
This way "recharges;' are as quick or quicker than filling a gas tank, the batteries are easily removed at end of life without disassembling the car, and smaller pack give some design creativity (i.e. not one ginormous pack amidships) and the weight can be distributed for better handling.
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