daveo4porsche

from my experience the past few days temperature has played a bigger role in maximum charge rate than SOC or other factors

Wed evening @ Vacaville Tesla Supercharger - SOC less than 30% - temperature 45'ish degrees - max charge rate 89 kW @ 120 KW Supercharger
Thursday mid morning @ EA Chademo @ Willows, CA - temperature low 40's mid morning - max charge rate 34.63 kW (50 kW maximum)
Friday 11 am @ EA Chademo @ Willows, CA - temperature high 50's low 60's - max charge rate 45.75 kW
Friday after 1 pm @ Vacaville Tesla Supercharger - SOC less than 20% - temperature high 50's low 60's - max charge rate observed 110 kW (120 max)

when Tesla used to break out the Volts and AMPs in their charging UI @ Supercharger (yes they used to do this it was wonderful as an engineer) the primary control for the taper I observed was AMP's - with > 95% SOC the AMP's drop below L2 rates…

Lorenfb

Obviously a key factor too, i.e. battery temperature, besides SOC. Not having a battery thermal management system (TMS) can significantly increase charging times,
especially in hot climates, e.g. the Leaf. The battery's internal resistance generates battery heat, which also results in longer changing times.

whiz944

Well, my admittedly limited experience with CHAdeMO on my Model 3 has been in the 20- to maybe 70% SOC range. In all but one case, it pulled the whole 125 amps the whole time. Mid-40s kW rate. The other case was a 25 kW unit (in Tooele, Utah) which was obviously quite a bit slower. (Was too lazy to drive up to the Tooele Supercharger that night, though I'd been there earlier in the day.)

Lorenfb

Right, it's a function of the vehicle's battery characteristics and the TMS being used. Obviously, Tesla has a more "aggressive" charging view than other BEV manufacturers, e.g. GM/Nissan.

whiz944

Again, with the CHAdeMO adapter, we are only talking 0.6C (with a 75 kWh pack). The GM Bolt EV does 55 kW max with a 60 or 66 kWh pack (0.9C or less).

whiz944

So it looks like the Willows CHAdeMO is (at least) a 125 amp unit.

I haven't tried a V3 Supercharger yet. But I've seen >140 kW at some V2 Superchargers. I don't keep good records on it though. I do log the number of unique Supercharger sites I've visited. (As of today, 38. One of my travelling companions last fall, and whose CHAdeMO adapter I used in Tooele, has logged over 400 sites in their Model S!)

That makes perfect sense.

Lorenfb

So, what's the point?