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- Is Tesla’s battery-capacity deal the new standard?
- There is one perspective that should be considered in this discussion: depth of discharge (DoD). You said "marketing has decided to cut off about 10-20% of that capacity, solely to offer different capacity ratings at different price points". Actually, the extra 10-20% reduce the required the depth of discharge for the same mileage. As a result, the battery life increases and performance degradation is slower. The risk for Tesla decreases that a customer will require a replacement of a faulty cell during the warranty time of the battery pack. It is not all bad having 10%-20% extra capacity that you cannot use directly for driving. Of course, I assume that the levels of all cells is the pack is balanced by the electronics.