Kia EV6 and Hyundai Ioniq 5 battery overheating explained
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- Опубликовано: 30 июл 2024
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This video is exactly why yours is one of the few EV channels worth following. Your insight is amazing unlike most of the others who just repeat marketing brochures.
Thank you for being great!
It would be nice if they put an option in the EV menu: "prioritize comfort / charge speed." Let the user choose whether the HVAC is focused on battery temperature management to ensure fastest charge rates or prioritize cabin temperature and perhaps charge longer. Might be a good interim solution.
Yeah, it would be fair to know what's going on.
I’d like the equivalent on my Tesla Powerwall 2! The ability to choose whether to fully charge up during off peak or not … but for some unknown reason Tesla won’t implement it … so quite often we end up using peak rate power in the UK
I remember watching the Opel Chief Engineer saying that they've put a massive cooling unit just to prevent the issue presented here from happening. I have also measured in hot summer with 39C outside while charging a CORSA-E with 100 kW(that's 2C charging) that I only had a max of 35C in the 🔋, all of these with the HVAC on. So, thumbs up for the Russelsheim engineers.
Awesome detective work - I hope that Hyundia/Kia are watching and will reward the post launch testing that Bjørn is doing for them!
I guessing this is where the Tesla octovalve comes into it’s own. They can basically redirect heating and cooling as required.
I think this is also where Tesla's experience comes into play.
Good Observation!! Even the manufacturers do not realize this problem
And this is why I subscribe to your channel and watch 99% of your videos Bjorn. You are the most conscientious EV reviewer in Europe, perhaps on Earth! No wonder manufacturers, owners and the after-market industry respect you. Right on man, keep it up.
you are the goat holy crap only bjorn could think of something like this. he’s so thorough it’s insane
I watched my of your videos as well as other people, I always find your more technical and helpful. well done, you see to know your stuff and take your time to capture good information. Good detective work and other European journalists should take notes and learn from you.
Hi Bjorn, this is an amazing video. I learned a lot, thank you!
Very helpful! Thank you. Since I'm waiting for a 2022 Ioniq 5, watching your earlier "Rapid Gate" observation got me a bit worried. Your surmise that the cabin heat pump also cools down the batterie during charging, makes a lot of sense. I agree that the software should be a bit more proactive in balancing the two conflicting cooling goals and that passengers should be actively informed what is going on. If you obtain further insights, please share it on your channel. Great work!
The paradox here is that battery is too hot and cabin is too cold for driver. This sounds like easy solution at least in winter, especially that You have heat pump on board. I guess this is where Tesla's octovalve is paying dividends compared to other EVs
cant wait for the next testdrive implementing these strategies =D Awesome job!
I live in vegas. Turning off the Air conditioner for even ten minutes is not going to happen when summer temps are always above 100F, and frequently above 110-115.
My Ioniq 5 has already failed to charge at least a dozen times using my home EVSE, codes stored included an overtemp at charger coupling.
Thank you Bjorn, well done, it all makes sense after your explanation.
Excellent - some useful insights here. Can only agree with others here that your reviews are a level above the competition.
Thanks for your fun and informative videos. I love watching the landscapes in Norway. So different to Sydney where I live. I just got an Ioniq 5 about two weeks ago and get the following message when I charge : “Using climate functions while the battery is
charging will delay charging completion” unfortunately there are no 350kw chargers near me so I have no opportunity to test like you have. It does seems logical that battery thermal management would be compromised if the HVAC system has to perform dual functions.
If you do want to test, probably the closest/easiest 350kW chargers for most people in Sydney are the Evie ones at the Ampol service station at Seven Hills, about 1km from where the M2 and M7 motorways join.
Great vid Bjørn. Would be interesting if you are able to plot the SoC vs time for HVAC / non-HVAC to see the difference in time spent charging aswell.
Thank you. I’m about to order the EV6 and it’s nice to know these things. Much appreciated.
Curiosity + Brains + Sense of Humour + Effort = another excellent video from Bjørn (especially for EV6/Ioniq5 drivers but also general EV interest).
Muchas gracias Bjørn! 🙂
Oh, and Hyundai & Kia - you owe Bjørn a generous research fee!
Exactly - there are two coolant loops in EV6. Coolant 1 loop in Car Scanner app runs at 60-70°C and is always close to inverter temperature (80-90°C), while other coolant loop for battery pack is much colder, has identical temperature as Battery heater 1.
Thank you for the great analysis and easy-to-follow solution!
Excellent Ninja research Bjørn. Now lets see if Hyundai Kia looks into Hvac. They also need to equal the cell temps more
Some top class detective work, Bjorn!
Great stuff Bjorn! Congrats once more!
Best tech video you have done in a long time :)
You are right, top class problem solving, as you say no big deal 10 minutes no HVAC, thanks to your detective work we know the simple solution, just the best nerd channel
Bjørn you are forgetting one variable which is key in 800V platforms, the temperature at the charge port pins. We are conditioning everything but the pins and take into account that the car is maintaining so high power for long time. The vehicle is actually monitoring the pin temperatures and that has an effect for sure.
I am waiting for the German Model Y and meanwhile also considering EV6, because price wise this is the only EV that has quite a margin with Model Y but functionally on the same level as Model Y. Your videos are really my guide now! so please publish more findings! thanks a lot man
Model Y is quicker car than the Kia, I could be wrong.
Well investigated and a great discovery. Interesting how much difference it makes. Will this be worth checking in all EV's now?
Great work mate. You are the Ninja of EVs
Bjørn dust starts to burn in HVAC systems at 52C. That is why the max air temperature in any form of airflow heating systems is 52C. At the time you started to smell it, the battery max temp was 53C. It is clear indication that battery cooling/heating and cabin cooling/heating are directly connected.
Due to dust pyrolysis you start to notice the associated smells at 52C. When you turn on the electric panel heater or oil panel heater first time in the winter, after it has been collecting dust over the summer, you know the smell. Same thing happens in the ducts once the temperature exceeds mentioned threshold.
Dear Bjorn - I´ve put the link of your vidoe into my video where I tested the same - more or less. I didn´t check OBD BUT the main topic of my video was the charging speed of the IONIQ 5 for people who can´t charge at home and are driving to the fast charger before or after work. Like this the battery is cold as due to efficiency the car doesn´t warm the battery cells. The result is charging speed at about 60kW - and 40 minutes from 20%-80%.
Unfortunatelly I didn´t see your video before I recorded mine as then I would´ve implemented your investigation in my video. But today I did an update with a #short video and when the battery is cold the HVAC OFF doesn´t help at all unfortunatelly. At 33% and even at 51% nothing changed about the 60kW - doesn´t matter if HVAC was ON or OFF. So this only helps when you were driving certain km on the highway or accelerated fast and slowed down again and again to gain temperature. But even 120km/h on a german Autobahn didn´t help the car charging faster than about 80kW... I´ve linked your videos in both of my videos. Thank you for the detailed testings!!! Chris
Hallo Chris, na das nenne ich ja mal einen guten Zug von Dir und zeigt mir das Du doch auch andere um Rat fragen kannst, Respekt ! Wenn ich auf Deinem Kanal den einen oder anderen Spruch gelassen habe dann möchte ich mich hiermit bei Dir entschuldigen ! Vielleicht kann er ja doch noch den einen Tip geben!
Very interesting topic, hopefully you might bring this case up with Kia/Hyundai people if have a change.
Thanks for another great video update
@5:55 you can see the "Battery heater 1 temperature" going down again (HVAC off), while still climbing on HVAC on. You need a Temperature delta between battery and cooling fluid to transport the heat outside. If the delta is small, you have to increase the amount of cooling (half delta = double the fluid circle). So if the fluid pumps are running on max on both sides, the temperature flow on the right side is limited because of the smaller delta. So the battery current is reduced to have less heat. Battery temperature is nearly the same, amout of heat going to the radiator is really different.
Excellent explanation video sir!
The same problem has been documented by other users in other videos, too. For example, the IONIQ 5 at "E-Cannonball" in Germany had the same issue.
Lots of reports that the Hyundai5/EV6 HVAC is behaving strangely.
Hyundai and Kia are apparently looking into it.
Thanks Professor Bjorn!
Interresting. You can see on the HVAC Off, that the Battery "Heater" starts dropping like a piano around 65%. Maybe it turns off radiator circulations, and kicks in the HVAC pump to cool the batteries. The HVAC On just continues to rise in temperature.
I don‘t care about the 500 watts. Even if it will be triple I would not mind. I priotize the fast charging higher than the efficiency.
Thanks so much Björn! Such a splendid piece of advice!
Really enjoying your content. Have you heard of Hyundai's cold battery issue? Looks like customers in Germany are complaining about slow charging (e.g. 60kw max charging) and it looks like the battery is too cold when driving shorter trips / driving slower. Look at Car mainiac's vid. Looks like Hyundai didn't priorities active battery cooling & heating.
Perfect analysis, thank you! Have you ever met such rapidgate in Kona or Niro? Can rapidgate happen in IDx?
Rapid gate in Kona/Niro is only "1 level" .. and only in main phase 0..53% soc ... If battery max.temp reach 35degC charging power is limited from 200A (75kW) to 180A (~69kW) .. Other phases (above 53% soc) are without rapid gate. So there is rapidgate almost OK.
Here in Ioniq5 / EV6 is rapid with more temperature "levels".
Cold&rapid is basic battery protection - is ok. But car should prepare battery (preheating/precooling/cell temp hamonization) on demand on the road to prevent it.. And this is still problem with Hyundai Kia (kona/niro/ev6/ioniq5).
For example 2degC outside - Niro/Kona is cooling battery with LTR mode battery in optimal 20-25degC over cold inverter/motor down to 7-10degC. VW ID3 is keeping optimal temperature.
This is a fantastic analysis and if you are correct then you are right, 10 minutes is not a big deal to turn off the HVAC, but Kia and Hyundai should update the software to adjust for the for the issue in the winter and notify the user about prioritizing battery cooling in the summer. It is for such a short period that it won't really matter to the user. Thanks for this video.
in my opinion, the software is programmed fine, but Kia should instead post a message "charging reduced to keep cabin cool/warm" if computer detects a overheated battery while HVAC is on!!!
@@uhjyuff2095 in the winter the lack of preconditioning is not good and slows the charging rate considerably. Hyundai and Kia know about it and has actually corrected the issue in the 2023 Ioniq 5 and EV6 by adding the preconditioning feature that is in the GV60. I do, however, agree that there should be a notification on the screen that tells the user what is being done. This way there would be less guessing.
I think there is a step in the thermal control Calibration @45^C with a Hysterese. The Energy is used to Not overheat. And the another grid point is @50^C. For the Minimum you have identified the 25^C grid point of the Calibration map.
Very clever thinking, you are like the Sherlock Holmes of EV.
As long as you know how to avoid the rapid gate or cool gate it seems to be manageable. But a lot of people simply don’t know so it is a clumsy design from such a competent company.
Now I’m thinking, while you drive the car, HVAC is presumably always on and could this be the cause that the battery wasn’t pre heated, even in winter mode like you experienced?
I can't wait to see you test the Mach-E GT! Apparently you only get 5 seconds of full power!?! Ford says it's to protect the battery. I guess the BMS isn't too good??
Good job Bjorn 👏
I recognized the same in the IoniQ 38kWh Version. I will double check it in the next charging time
Thank you!
This is a really interesting topic, because most of the ioniq 5 don´t get a bat Temp mor than 25°C, in cold weather not even 20°C! so ist mostly chargegate due to extrem cold battery. the battery heater oder wintermode doesn´t do anything
Thx björn!! Going to turn off ac while i charge.
Ninja viking for the win. Good one Bjorn, very interesting.
Just to remind, turning heating off for 10 minutes is only needed if you want absolute maximum charging speed AND stay in the car AND are using over 150kW charger. Normal users probably just go get coffee inside, so all heating/cooling is dedicated to battery anyways. Also prioritizing the cabin cooling is very important to dog-owners. I will take longer charging over dead dog 😅
@@abraxastulammo9940 Well, nothing stopping that in other cars, your cabin is just right temperature while watching Netflix in Ioniq5 😅
Around 80% its a security check Hyundai engineers added in the BMS. It was added first on the Kona EV to reduce battery fire risks : if something is wrong with the battery, EV! triangle Will appears and you then have to take the car on the towing... Seems that they reused that on Ioniq 5 BMS!
It has been observed many times on Kona EV using OBD2.
Put in another heatpump for the extreme spikes? Maybe as an Option for those with max speed ambitions... if you can i would like to see how the cooling tecnically differs from the compeditiors
It is exactly what I have always said, the competitors of Tesla have to be better or similar than the Tesla car, otherwise it will not be a competition for Tesla. KIA EV6 I think it will have a basic value of 45K up to 60K here in the US.
An amount of money for a car that can see the possibility of the batteries heating up and catching fire, and even you can lose your life, I am saying this for the KIA only.
If you are thinking of having an electric car regardless of the brand of car, do not buy it, if you can make a lease in my opinion it is better. Remember that technology is changing day by day.
Good review, my friend.
Well said. Not only battery issues but the simple things like the lack of OTA updates of non-Tesla vehicles and the stupid need to go into a dealership for a “service” every year to get software updates. Plus, no other manufacturer offers the ability to climatize the interior remotely. Tesla does it all and there is no comparison.
@@abraxastulammo9940 which other manufacturer does this apart from Tesla?
Thanks Bjorn for explaining it - makes a lot of sense. What I don't understand is why kia/Hyundai doesnt use the heat from the battery to heat the cabin once it wants to cool it? Using the AC makes sense but you want to switch your heating mode to cooling mode in an efficient way... This is how Tesla does it.
Also with -5C outside, the front exchanger is probably enough to cool the battery inlet without using the AC compressor... Delta T is almost 45degC so don't understand why they'd need to use AC imho.
But I'm an EV engineer, so maybe I'm too logical?
Yeah, it seems the battery has poor cooling performance considering the outside temp was freezing. Imagine if it wasn't freezing outside!
Many thanks for your detailed review. I am living in a country where summer gets really hot. Sometimes can hit 45C. I consider buying ioniq 5. My concern following your video, is the poor battery colling system. Assuming that i have parked ioniq 5 to uncovered parking, exposed to sun, would that cause battery damage and reduce the battery state of health?
So if not ioniq 5, what are the best alternatives for this budget?
Tesla you know it pay f
For what you get
Brilliant. Thank you from an Ioniq 5 owner. The car unfortunately has a lot of clumsy design.
30c hot? laughs in Australian hehehehe. I get what your meaning though. The Tesla roars its head off when using supercharger or 350kw charger in +30c weather. Always concerned me with the Ioniq 38kw that it never had AC cooling just liquid cooling with heat exchanger. Charging at 40c ambient it throttled at 33kw. Hope Hyundai/Kia took the time to get it right with the Ioniq 5/EV6
They should (A) "harmonize" temperatures first. 10degC between min-max cell is too much. Min.temp BMS watching for coldgate and max.temp for rapid gate.. With 10degC diff is very hard too keep battery in optimal range. (B) after cell "harmominization" prepare (warmup or cool down) battery to 25-26degC. In range 0-53% SOC is 25degC first optimal temperature for full speed and there is then a lot of time to keep battery far from first rapid gate.
It could be a good argument if 'harmonizing' the cell temps leads to a time savings between 10-80%.
That being said, I don't think it would, because in order to harmonize, the temperature difference between the coolant and the min and max temp cells would be small, leading to not a lot of heat flow, and a lot of waiting. After all, their coolant only flows in one serial loop, no way to independently heat colder sections.
at SoC = 70 in the spreadsheet, you can see that the coolant has nearly a 20ºC difference between itself and the hottest cell, and this would produce fastest cooling because the temperature difference is maximized to allow heat to be rejected by the cells.
@@Infinion I have Niro. When it is outside temp 0degC. Module 2 (coolant input from outside) .. you can see how MO2 is cooled with water (cooled by outside air) if pump is off ..
And all Kia/Hyundai have by my option bug, that they are using LTR mode in very cold weather .. Example.. yesterday .. battery 1-2degC. motor 3degC, outside temp 1degC and they enabled LTR (over motor).. Extreme cases... outside -12deg, motor -12C, coolant 1C, battery 20C (i have video with diagnostic data from this case).. again LTR and after 60kilometers is battery cooled to coldgate level 2 !!! 7-10degC. Why they cool it from optimal 20C !!!? And again MO2 (is much coolder) than last module.... This is very bad logic !
@@Infinion Back to EV6 ... optimal charging speed is for range 0..53% soc .. >=25 and < 45 deg C (230kW) .. So if you have cell min/max with 9-16degC range, you have very small space to maneuvers in optimal range.. If you come to charger with min 25 a max 35 , you have only 10 degC to rapid gate. Harmonization should be done on the road during drive .. there is a time for it . For SOC 53->73% is optimal range only >= 35 and < 50degC... so here is very small/no space if min/max cell differences is 11-16degC..
@@evRoadTripsSvk I agree with everything you said, it should be equalized while on the road. It would consume more energy for thermal management but I assume that would be only if it knew it was on the way to a fast charger, not all the time.
Worst case is when it doesn't know it's going to a fast charger and it has to start charging with the unequal cell temperatures.
I would like to ask, why there is such a large temperature inbalance to begin with? The pump's presumably inadequate flow rate is allowing the coolant to heat up as it travels through the modules. All the cells are identical there should be no reason for such deviation besides what is happening to the coolant temperature.
regarding your Niro, yeah I don't understand the poor thermal energy management of these vehicles. They are blindly cooling and not regulating. It's such fundamental systems engineering design. Maybe they dont care about performance and want to maximize energy efficiency? Even so there should be some user control so that user can choose to pay more electricity for optimal battery performance.
Battery pack defect. The pack will probably not last too long.
Useful information. I assume this applies to all EV cars.
What an investigation! 🧐 Wow
Look at Battery Heater 1 temp @ 5:50 HVAC off it starts to drop, while HVAC on it continues to climb, and thats when the kW suddenly drops with HVAC on. So as you say, it looks to reduce not because of temperature, but because of control.
Great work.
Thanks for the video, those analysis amaze me.
I know it's deep engineering cost cutting, or ICE engineering heritage (IE we don't care about energy at all).
But the fact that you can't heat your car with your overheating battery, really amaze me (in the wrong way).
I can't imagine how efficient the heat pump would be if it's inlet temp was around 40 degree, instead of the 1 degree of the outside temperature.
What a waste (of energy).
Guys, Tesla is already doing it, just copy them without thinking, your cars will be better.
Very interesting analysis! Thank you for this deep dive. You are the be(a)st! Even though I will rarely fast charge my IONIQ 5 I was curios about this issue, and still kind of think it is strange that in IONIQ 5 Sweden video you could not hear the ventilator cooling the battery when the flaps opened... This might be a separate issue...
Teslas with heat pump have the octovalve which super intelligent heat management, there are a couple of videos explaining all the modes
Hey Bjørn, thanks for getting back to this issue and taking the time to think about it. The HVAC design seems to make some difference that isn't obvious immediately.
Yet there are still mysterious observations from the videos... you added ruclips.net/video/e-VC_Lis69M/видео.html as proof that the flaps were open and cooling is okay but the fans were not running, it was not noisy at all when you came close to the car, your voice was clearly to hear. In your review here it is visible that the cooling worked, the temperature on battery inlet went low(ish) and max battery temperature lowered before end of charging. In the 1000km test the inlet temperature kept at 40°C with 14°C outdoor temperature, max battery temperature lowered not before you started driving again. IMHO the car had a defect by not turning on the fans - an issue I found on youtube for a model S owner too.
Nevertheless that HVAC finding is very interesting! :)
That is also happening if you have 2 indoor units on a house installation. The system can only do heat or cool. So if one indoor unit is demanding heat and the second cool the the second will wait and just circulate air.
So you are spott onn with your assumption.
Thanks, very interesting thoughts and test. One idea though, in Hyundai and Kia EV-s you can manually and separately turn "AC" and "Heat" on and off. If it is as I have understood - AC is for heat pump and Heat for PTC heater, then you could try to test so that you turn "AC" off in the car and "Heat" on while charging and see if it has any effect?
Yes that was my question as well. As I understand it there i a "heat" button on the climate controls. would it make the same difference if that was ser to "off" while charging?
Wow. This really explains the coldgate I experienced.
(and now I know it's not really a cold but a rapid gate 🤣)
I will definitely try this!
Ok... I live in the desert so always have troubles with heat however when the outside Temps are 0 to 1.5 degrees why are you having issues with extracting heat?..1 Is there no Liquid cooling in the pack?
2. if no LC, There must be a bottle neck in the heat pump?
could you do a charging test on a 150kw charger, and compare it with this charging session?
Oh I didn't know most of that stuff. Good to know since such things are kinda tricky and I would never see it coming. :
I've supercharged my Model X last summer while the outside temperature was at 40 degrees celcius. It was absolutely no problem for the air conditioining.
I think in Canada Hyundai / Kia, have the system only PVC heat in the winter and have the option to manually select preheat the battery much like the Lucid Air, would be simpler than relying on setting a destination charger and using trip planing to preheat, either brand simply does not have good charger information in Canada, I speak form experience with my 2020 Kia Soul EV, many Electrified Canada stations that have been around for 2 years and Petro Canada stations are not on the latest navigation maps.
Hi Bjorn. I noticed something similar this summer on my 2021 M3 LR with heat pump - at 45% SOC I was barely getting 45kW - (I sent you another comment with a link where I document that experience). In my case, there was no message about low performance cooling of the cabin.
I assume this is happening on most cars with heat pumps that share HVAC between cabin and battery. Good catch!
So what should we expect for an EV6 without a heat pump in this case? Similar behaviour but not able to cool as quickly… or something else?
Great video Bjorn!
I'm thinking of buying an EV6 but I live in a very hot climate in the Southwestern US (summer highs consistently 35-40°C). Is there any way you can do a test of the EV6 or Ioniq 5 DCFC on a hot summer day? I haven't been able to find any other RUclipsrs using OBD2 data when charging an EV6 or Ioniq 5. Thanks!
turn HVAC off and get the best possible charging speed. It would be interesting if Kia has two a/c units to cool the battery!
Interesting research initiative, Björn. Perhaps you can put together a technical brief in written form? And, since this is the internet, I should emphasize that I am serious.
Hey Bjorn, I heard they are working on making a new version of the Ioniq 5 as well, slated for 2023, do you know anything about that?
Easiest way is just to not sit in the car, go outside and have a coffe then there isn't any need to have the AC on while charging. In winter, go inside the gas station for a few minutes :)
I think most people actually will go outside when charging, but it is still a bit of a bummer that It behaves this way. BUT, maybe not everyone will charge at a 250kW+ charger, then there might not even be a problem :)
Ok so what if 20 people turned up in an electric car and had the same idea, then you will have an overcrowded gas station.
If you actually look at a supercharger or Ionity site, you will realize that many people sit in their cars.
Those tipps are like OR you simply carry around an ice bucket with you all the time, that you toss on your head outside once you fastcharge then, after a few minutes get in your cold car again --boom feels amazing. Problem solved.
@11:22 Hello Nyland, if I may, could I ask how to get this excel format data and temperatures of batteries? That would be very help to my recently research, and I am very appreciated for your help!
This is incredibly insightful, but what about the broader comparison to ICE vehicles? In an ICE vehicle, you stand at the pump in the cold and snow - or the summer heat. You can't shelter from the elements. So score one for the EV - no matter how the charging time is effected. Of course, I don't run the HVAC in my EV while charging. In summer, I like to roll down the windows, and in winter, I'm just happy to be indoors in inclement weather. Though most times, I go for a walk or run to stretch my legs and take a break from driving while the car charges.
will be interesting to see how widespread this is over the industry. Useful if you can address in each car review as an additional point.
Good idea! I just had my ID.4 2 weeks ago and topped to 64KW charging imstead of the 125 possible. Had cabin heating at the same time and a Canadian unit with the heat pump. Will try without heating next time to see if it behaves differently...
for North America it would be nice to see 150KW charging performance on both E-GMP platforms as we have lots of 150KW stations and only a few 350KW stations. What about Bjorn?
When you did your previous comparison video of the Kia EV6, Hyundai Ioniq 5, Audi E-tron and Tesla, were the HVAC systems on or off?
All off
Any chance that stormberg starts international delivery ?
Maybe the winte setting of the car is also only working if your switching of HVAC? So far nobody recognized a difference between winter mode set on or off.
IIRC all cars have to be able to demist the Windscreen in a certain amount of time. It would therefore be likely a PTC is used for that purpose should the battery be cold or the battery waste heat not being recycled to the cabin. Therefore Bjørn you could perhaps switch off the HVAC when fast charging and instead run the Windscreen demist to keep the cabin warm (albeit a little noisier). What do you think?
Sounds like a good idea. But clumsy.
Can I still use Heated/cooled seats without slowing down the charging process?
My dad bought the eqc, is the same in the picture, very bad range software issue, now we have a Kona electric
It's sad that car buyers don't get this kind of information with the car. It can't even be asked because most probably there is no answer. It's a problem in the car industry that there's no tools for communication between the end-customer and the manufacturer. There shouldn't be this kind of high-nerd stuff to know something this important. Thanks for the tests!
There is, it's the price. Tesla isn't that much more expensive, but they are trying to do EV as best as they can, and they already solved this issues years ago.
In winter, shouldn't the heat pump move the heat from the battery to the cabin to heat it and cool down the battery in turn?
Yes
@@bjornnyland can it helps if i set the temp for cabin to 38 ° with open windows ?
Then you get coldgate, double edged sword
You could run into battery not hot enough problem, the heatpump tries to heat up cabin and battery at the same time.
The very efficient Tesla 3 SR needs a lot of time preheating sometimes if the weather is cold and the drive is economical.
@AverageSimGuy I think slower charge is better than overhearing the battery although the on-board computer should be able to balance heating the cabin with cooling the battery so the battery temperature is just right.
use the heated seats when cold climate and charging, leave hvac for the battery....
I can't wait for you to test the Lucid Air, apparently they've been lying about their battery size. It's actually 138kwh not 118kwh like they claimed. but can only be proven with a bjorn test!
I really can't decide between Kia EV6 and Tesla Model 3 SR+ any suggestions? Price is exactly the same calculated for leasing 4 years + insurance
It would be nice to be able to pre-heat the battery at 25°C before arriving at the charger.
Because obviously the curve with the HVAC off shows a loss of charging power at the beginning.