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Originally Posted by jjackstone
My biggest problem with this scenario would be swapping my brand new pack out with one of unknown quality or condition. Certainly there could be standards and regulations, but the unscrupulous can always find ways around those.
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That is where a standard BMS with logging would help, but it's already been shown that EV's that are either sold without a battery pack have very little value and that extends to the few EV's out there that have been sold but the battery pack was leased, selling a car where you only own part of it drops the value more then selling an EV with a near wore out but functioning battery pack.
If I own my battery pack I'm also more likely to take care of it, if someone else owns it and I can get a different one any time then why should I care?
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As we all know, EVs have one big problem, refueling time.
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I wasn't able to wrap my head around this until I started owning EVs and realized it's a mind set that is the product of owning liquid fueled vehicles, ask anyone who owns an EV if they think about recharge times and they will say no, unless the are gear heads who like data logging they have no idea how long it takes to charge their car, just like they have no idea how long it takes to charge their cell phone or lap top, you just plug it in and the rest is automatic! yes, some people buy extra cell phone batteries and lap top batteries so they can swap them out, but most of the time it is never removed from the device, EV battery packs have battery management systems that take much better care of the batteries in the vehicle then lap top and cell phones that are still using a very crude system to manage the cells if there even is a management system, so laptop and cell phone batteries tend to have much shorter lives.