Depends on the battery voltage and chemistry used. A battery built using LTO cells could be recharged to close enough to 100% State Of Charge (SOC) in 10 mins if the charger was capable and the cables connecting it to the vehicle. The lithium cobalt chemistries that use high voltage and less cell capacity, 20 mins to 80% SOC, those with lower voltage packs (below 360vdc nom.) rely on capacity to achieve the range, so anywhere p to 2 hrs to 80% SOC. This of course relies on the charging station being capable of high current charging, the 10 amp house powered charger would take 16 hrs to fully charge the average 40kwh battery if it was fully discharged (down to turtle mode), but in general it is a top up from 50% or more so the 8 hr recharge is more the average. If the house charger is wired back to the fuse box with bigger cable that can handle a continuous 15 amps or 20 amps, or 3 phase, this time is greatly reduced. The DIY enthusiast built EV is usually one of the slower to recharge type, but even these are beginning to be either upgraded or purpose built to utilise the fast charging network popping up across the country. T1 Terry
When U think about it the swap and go model would mean U would need many more battery packs than EVs even if a standard could be agreed upon? And the cost / logistics involved in distribution of those packs to the highways, managing the packs, disposing all the additional packs.
Current Wheels magazine has an article on Nio - https://www.nio.com/ ..... the article mentions battery swap stations - buy your car without a battery pack then choose the size you want and if not big enough simply go swap in a bigger one ..... all done with robotics while you stay in the car.
