Quote:
Originally Posted by you&me
Obviously the concept for interchangeable batteries would require something modular. I can't remember where I read it (I feel like it was Fortune), but the idea was to develop a standard, modular battery system, with each cell about the size of a large briefcase.
Need more range? Pull into a battery station and swap a cell or two. The driver pays for the net amount of charge gained between the swapped cells.
Need a little range, just to get home? Swap one cell. "Refilling" on a long road trip? Swap them all.
Base model cars might only have 2-3 cells with limited range, while higher end / performance models might have 10++ cells.
Users could still charge at home and keep the cells in their vehicles for as long as needed between swaps... Kinda like a propane tank for a BBQ.
You had me until it sounds like you want to encourage this by sharing a driving lane with the EV semis... That would be a deal breaker for me.
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There is a YouTuber who does a lot of EV stuff and I saw one of his videos when he was in Sweden driving a Chinese EV. The brand has two or three battery swap stations around Sweden and the video was showing that process. It was pretty cool and only took about 10 minutes. You order it in an app, the car drives itself into the swapping garage, the floor opens up and drops the current battery and installs a new one. The station was rather small and only stores 12 or 15 batteries that charge in a storage wall.