Yes. In this case the SOH as tested by Kia, is only based on the Maximum Deterioration. Not on the average of Minimum and Maximum Deterioration.langemand wrote:...The calculation based on average deterioration has now been proved wrong by a Kia Soul EV 2015: This car has been tested to be at 40% SOH by Kia, and having min det = 0% and max det = 64.7%, before as well as after the test by Kia...
For battery packs where a single cell has failed this makes sense. It is irrelevant what the state of the 95 good cells are if a single cell has completely failed. A single failed cell means the entire pack fails. Unlike the T esla battery pack with thousands of cells, where the BMS software allows any single bad cell to be isolated.