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Just posting a pure technical question

There are two major technical obstacles with electric cars. first, energy density. Tesla has resolved this problem, if not fully, by outstanding engineering and also thanks to the advance in battery technology.

Second, battery uniformity. No manufacture can guarantee the batteries are uniform when produced. This means, each of the thousands batteries hosted in Model S body will behave differently in daily usage. This situation will worsen as time goes on. this might also cause some safety issues in the long run, since un-uniform batteries will heat up pretty quickly and thus might explode. I know Tesla has some patents in battery controlling system, which is supposed to alleviate the problem. I'd be most appreciated if I can have some details on this.

and the solution for EV car or new computer is simple ... if you want the best features you have to pay the premium for the latest updates instead of waiting for it to be reasonably priced

hense why the roadster was so pricy and still why the model s is still a bit on the higher end, it is not just quality its innovation and if you want new tech you pay for it...

I'm no battery engineer, so this is just a guess...

If some of the batteries start performing worse (whichever measurement you're talking about), wouldn't it result in that battery getting hotter than the others? And if the only thing you had to do was to cool it down more than the others, then all you have to do is run the liquid coolant at high speed throughout the battery packs. The hottest batteries will be cooled down to the same temperature as the others. No need for individual battery coolant controls.

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