Steve, I read through the EVE LF280 Spec Sheet that you posted on Thursday, and there is one part of it where I just don't understand what they are talking about. In the table portion, they have this information on cycle life:
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I think there is a misprint, and one is supposed to be (Without fixture) and the other (With Fixture), but the cycle life difference is significant. It seems they are talking about the clamping pressure the cells are under, but I'm just guessing. 300kgf seems like a lot of pressure.
Later in the same specification document, in the graphs and charts section, they have this page:
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Once again talking about with or without 'Fixture'. I'm guessing that perhaps the black line is actual test data and the red is projected life? Anyway, they show that with fixture initially drops in capacity more quickly, but then takes 1500 more cycles to get down to 80% capacity. Does anyone have any idea what a 'Fixture' is or how they intend 300kcf of force to be applied to the cell? The google machine has been of little help so far in trying to answer this question.