Yes these are all valid points. I use this charger frequently and at 35% It should still be in the nineties i think. Other option would be VW tells me why it is lower on the Info system. They shod know best. Why let the user be puzzled about all these things. Not really my job. The forum is full of people being puzzled. VW could even display the charging graph. The charge time estimator in the car is typically off too. Why? Also not sure why EA does not display requested power anymore. None of these things makes our life easier. And it could be easily fixed.Battery temp and environment temp are not going to be the same if there is big swing between night and day time...to gain max output from DC charger you will need to be around 22% SOC or less and close to 20°C with battery temperature...starting from 36% SOC is bad choice for getting max DC charging speed. And there is also a lot of EA charging ports capable doing max 50 kw output...i have personally experienced across I80 ...I90...I70 going from east coast to west and back on journey 2800+ miles each way. Around this time of year best way is to keep destination for next charging within 140 miles and battery will always be at sweet spot for next charging.
hope you got their contact info always good to have friends in the right places.I experienced this same slow 55kw charging about 2 weeks ago on 2 different days at Ooltewa TN which is a few miles from the Chattanooga factory. Couple of vw employees were there in id4 with manufacturers tag. They were new to charging and didn’t realize the slow charge problem, one had German accent. Said they were headed to the SKI battery plant near Atlanta where VW battery packs are built using LG lithium cells.
I'm not aware of car scanner app that has all necessary pids to look at charging port module.....obdeleven or VW ODIS are minimum to see this information.Are u saying the obd2 tool tells me WHY the charge Current low?
I have the car scanner app running
Having EVnotify is useful in that it tells you the pack temperature. If nothing else, it gives you insight as to why your charging might be slow.If your battery temp is <63F then it does give you the answer why its slow. What was your battery temp when you had the 55kw rate? I consider it a large bug that I hope they fix soon that the battery heater stops at 46F yet we get slowed DCFC until >63F.
I would have thought, but without knowing the ambient and pack temps, I can't say much more.I had just driven 180 hiway miles & 21% soc on first stop, 120m @ 43% on second stop, so bpack should have been warmed up - right?
I would add that another variable is that EA has been derating some chargers to 50kW. Mostly in Midwest, but TN also has some derated chargers.. No idea why. But thats another variable, and worth checking.I had just driven 180 hiway miles & 21% soc on first stop, 120m @ 43% on second stop, so bpack should have been warmed up - right?
I have run through Midwest on this locations and only one of all boxes where stickers advertised speed...others where 50 kw crippled.I would add that another variable is that EA has been derating some chargers to 50kW. Mostly in Midwest, but TN also has some derated chargers.. No idea why. But thats another variable, and worth checking.
The EA app shows the max change rates for each charger. You can check your receipts and see if you happened to be at a nerfed charger.
You have to bring battery down 22% SOC or less.I drove 95 miles yesterday to a Thanksgiving dinner in Albany, NY. The temp was 33°F when we left and 39°F when we arrived. I preheated before leaving did the whole Berkshires hill climbing thing en route so I thought the battery would be adequately warmed by arrival. I stopped at an EA station in Albany and got...you guessed it...55 kw charging speed at 27% SOC.