Here's some photos of the K ona EV I took at EVTrend Motor Show in Seoul last week. Plus a couple I found on the web.
The cutaway model on display is of the 64kWh version.Edit - The numbers below are wrong - there are 294 cells not 288
Either I miscounted by 6, or there were 6 less cells on the top row of this cut-away model.
I counted the cells! There are 288. The cells are laid out 3 in parallel to form a 3 cell group, 96 groups in series.
Under the floor are 6 modules of 10 cell groups, under the back seat are 4 modules of 9 cell groups.
(6*10*3) + (4*9*3) = 288
The nominal voltage of each cell is 3.7V, the rated capacity of each cell is 60Ah
Thus the nominal capacity of the 64 version is 3.7*60*288 = 63.94kWh
I didn't see a 39.2kWh K ona EV on display. But I did see an image of its battery pack.
The 4 modules under the seat are empty.
Under the floor are 6 modules of 15 cell groups. But for this version the cells are laid out 2 in parallel to form cell pairs.
Hence this version has 180 cells.
For the math to work out the nominal voltage of each cell has to be 3.63V
I don't know why it is lower than the 3.7V of the 64kWh version.
The official specs are here - https://www.hyundai.com/kr/ko/vehicles/ ... ifications
K ona Electric 복합 5.6km/kWh(도심 6.2km/kWh, 고속도로 5.0km/kWh) | CO2 배출량 0g/km | 축전지 정격전압(용량) : 356V(180Ah) | 공차중량 : 1,685kg | 1회 충전 주행 거리 - 복합 406km(도심 444km. 고속도로 359km)
K ona Electric_Lite 패키지 복합 5.8km/kWh(도심 6.5km/kWh, 고속도로 5.1km/kWh) | CO2 배출량 0g/km | 축전지 정격전압(용량) : 327V(120Ah) | 공차중량 : 1,540kg | 1회 충전 주행 거리 - 복합 254km(도심 282km. 고속도로 221km)
356V / 96 = 3.7V : 60Ah*3 = 180Ah
327 / 90 = 3.63V : 60Ah*2 = 120Ah
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