Thanks for your replies so far.
Thanks, alozzy, for that video. That guy sure is working hard to keep those battery temps down! It's unclear to me, though, whether his second DCFC speed of 39 kW is because he's in mild UK weather, because of his low-speed and waiting-around-the-DCFC-station-for-the-battery-to-cool tactics, or because the second DCFC in a 2018 just isn't throttled as much as the third.
And thanks, Dave, for sharing that detailed post about charging on your 300+ mile trip. I'm surprised you encountered 24 kW quick charge speeds during your second quick charge. My understanding of the whole Rapidgate issue is that, in the 2018 Leaf, the first and second quick charges are fine, but it's the third quick charge that's really painfully slow. Does anyone else have any info on whether the quick charge throttling starts during the second or third quick charge?
Also, where could I find some data on charge time vs. SoC percent gained during a 24 kW quick charge session?
Dave, in answer to your questions:
1. My ideal plan, on the NYC to Boston trip: there is a quick charge station with 4 Chademo plugs 144 miles from me. So ideally, I could reach this DCFC, charge to 80%, then reach my destination having only done the one quick charge. But this seems like I'd be risking breaking down, even driving 55-65 MPH? Plus, and someone correct me if I'm wrong, I'm assuming that in colder weather (say, below 50 degrees), driving 144 miles at 55-65 MPH would not be possible in the 2018 Leaf. So under these circumstances, I could do one of two things:
A.) drive 100 miles to an EVGo station that only has one Chademo plug and which is not in the "No Charge to Charge" network (so I'd have to pay), quick charge, drive 75 miles to a second EVGo station with two Chademo plugs that is in the NCTC program, quick charge, then drive the final 75 miles to my destination
B.) drive 75 miles to a NCTC EVGo station with 6 Chademos, charge, drive another 75 miles to a NCTC EVGo station with 4 Chademos, charge, then drive the final 100 miles to my destination
Option A seems like it would have shorter quick charge times, mostly because the longest leg is at the beginning of the trip.
Option B would be free, driveable in all weather conditions with virtually no chance of not making it, and with virtually no chance of ever having to wait for an in-use or ICEd Chademo plug.
2, My needs: I have an infant son and a wife who is not a huge fan of my recent hypermiling and EV nerdery. If it were just me traveling, I would have a lot more patience for slowish quick chargers. But given that it's not just me, I would consider a maximum of 60 minutes total for 2 DCFC sessions on a 250 mile trip to be acceptable; preferably less than 50 minutes total. Is this realistic?
If anyone can point me in the direction of some data that shows SoC gained vs. time charging on the 2018 Leaf (during either the first or second quick charge, or both), I could come up with a more specific estimate of how long a 250 mile trip might take me. My rough guess for Option B above is:
Drive 75 miles, arrive at first DCFC station with 50% SoC (75 miles of range). Spend 30 minutes charging to 90% SoC (135 miles of range).
Drive 75 miles, arrive at second DCFC with 40% SoC (60 miles of range). Spend 30 minutes charging to 80% SoC (120 miles of range).
Drive the final 100 miles to destination.