I did the Ecar test (Audi Etron) back right before Covid. Nice vehicle. At the end, I had two questions....what the total cost was for change-out and disposal (old battery). Dealer could state the battery cost and change-out (was supposed to require around 6 hours of mechanic time, from beginning to end). But on disposal...he couldn’t say because they had yet to reach one single situation where a change-out was required.
Then I asked if the customer himself could do the battery-swap-out....’no’ was the answer....if you wanted the warranty to continue.
For these reasons, and the continuing saga of the cost for electricity...I said ‘no’. I’ll refuse to ever buy one.
Considering the weight of an EV battery, I don't see how anyone could do it themself. From what I read, the average weight is around 1,000 lbs. with a Tesla battery weighing up to 1,836 lbs.