dbsb3233
Well-Known Member
- First Name
- TimCO
- Joined
- Dec 30, 2019
- Threads
- 54
- Messages
- 9,349
- Reaction score
- 10,879
- Location
- Colorado, USA
- Vehicles
- 2021 Mustang Mach-E FE, 2023 Bronco Sport OB
- Occupation
- Retired
I guess I'm a lot closer to the (b). While it would certainly be nicer if that 80% cliff were at 90% instead, I don't really find it to be all that significant in practice. But I do see a number of reactions like yours that think it's a really big deal. I'm curious why?Yes I know, I'm either a) preaching to the choir here; or b) preaching to those who don't mind, but this is certainly the only part of the car that's annoying to me - even PaaK, which doesn't even work on any of my phones, is as annoying!
For road trips, I usually leave home (or the hotel) at 100%, so I get max range out of the first leg. My understanding is that most people usually only charge other BEVs to around 70-80% on DCFC anyway because of tapers (they're just not as dramatic of a cliff as the MME). So the 2nd/3rd/4th legs are usually shorter in any BEV.
In studying some other BEV charge curves, the MME looks like it actually holds power up to 80% better than many. I'm usually still seeing 85kW all the way to 80%, which is quite good. Many BEVs are down to ~50kW by that point. So while we lose some after 80%, we gain some before 80%. And the part before 80% is far more important since we commonly actually charge there.
I just charge to 80% each DCFC leg. If it's the lunch stop, we might take an hour to eat in-restaurant and let it go past 80%, which is fine too (prevents idle charges).
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