This is not uniquely a BEV problem but having low energy density is not a route to easing this problem.
Should you be allowed to park an oversized vehicle in a parking bay and overhang its white lines?
Is 'my car wouldn't fit' a justifying excuse to appeal a penalty, if one was given for your car. (You chose it, you knew ...).
Is 'I am a good driver and can keep inside the lane markings' an excuse for not knowing the width of your car and flouting the lane width restrictions in the outer lanes at motorway works?