Fast-Charging Hyundai Kona 65kWh: Unleashing the 100kW Power
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- เผยแพร่เมื่อ 20 ก.ย. 2024
- Kona all electric 2023, 65kWh, premium, 19 inch wheels
Today we're testing rapid DC charging after a short period of pre-conditioning of the battery, given outside temperature of 0 degrees Celsius (freezing).
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I like how you’re comparing apples to apples here (km added per unit of time) rather than kW of raw charging power. Due to the differences among vehicles, charging power doesn’t mean very much. The curve showing range added over time is an amazing way to visualize this data. I wish all EV reviewers used it!
Many thanks. Of course efficiency can vary quite a bit but if we accept we re also using typical economy for 110km/h motorway speed then we re broadly apple to apple.
That's an impressively flat charging curve from my perspective - once the battery was up to temperature. Interested to see how many kWh it took at the start to warm it up.
Clutching a bit at straws here i would say 4kW (see 00:42) is the pre- conditioning power. At 6mn or so we were already on c100kW. So besides the energy already spent on this before arrival that's likely to be at most 4kW * 6 mn / 60 mn
Interestingly, between 13%-63% when the power is 100kW constant, you’ve added about 120 miles, in 25 minutes. Which gives just a bit more range than the Ioniq28 (25-30 miles).
But it’s just crazy how when you look back, they’ve literally nailed it with the Ioniq28 since the Ioniq28 roughly achieves almost the same range as the Kona in about the same time.
On an Edinburgh-Folkestone test trip ABRP says that the Kona 2020- (setup 4 miles/kWh) will arrive first with 3 stops but the Ioniq28 will only arrive 15 minutes later, with 6 stops.
😅
The Ioniq38 arrives almost an hour later, albeit with 5 stops. 😢 😭
Yes Ioniq28 remains amazing. For longer distances i believe doing 3 not 6 stops adds substantial convenience. Saying that i suspect this will remain a theoretical case only for most users.
I recently bought the same car in Australia, top spec, and on my first fast charge at a supercharger(Tesla) which is open to all the max I could pull was about 30-35kW although I was at a high SoC around 63% when arrived and left at 70% as it was just taking far too long. On using another DCFC, not Tesla, rated at 350kW arrived with 40% or so also max peak seen was 58kW briefly then it had a weird drop to 3kW around the 75% mark for a brief minute or two before jumping back up to 25kW. I am currently draining the battery though down to 10% or less and will then hit a local fast charger(80kW) and test as it could be the battery isn't calibrated yet.
As you can see you do want to arrive with a low battery to maximise speed and ensure you pre heat if winter your side. As for the brief 3kW this is what I believe Bjorn Nyland calls the 'Korean siesta' so a known behaviour for these types of cars reaching high capacity.
In fact, how low you can go confidently is also crucial, once you know the efficiency of your EV. Personally, on the Ioniq28, I do not like to go lower than 15%. At this SoC, there’s about 4 kWh left, and at 4.5 miles/kWh on the motorway, that’s about 18 miles of range in theory. However, depending on driving conditions and charger availability, these 18 miles can shrink pretty quickly 😅 The lowest I went once was 7% and it was not the most enjoyable experience 😂
On this Kona 64kWh, the 15% SoC of the Ioniq28 do indeed equate to 8% SoC, since the efficiency of the Kona is generally between 3.5-4 miles/kWh on the motorway. 😉
True. The other element being the ability to pick charging locations better. Say you may be looking at a landing zone of 5% to 15% for kona, that's a solid 30+km zone to pick your charging station.
He’s teasing us… which one is it going to be then? 😂
:-)