The Model S has been in production for over 1 year. It's battery system was designed at least 2 years ago. Nothing new in terms of performance or capacity has been released since then. It's unlikely that there have been no improvements to the current battery system, the Panasonic 18650 cell or that another superior cell is not available at the same or a lower price. I've read that battery prices and technology improve around 8% per year. While I don't doubt that this is among the many things Tesla is working on, it hasn't even been hinted at. Shouldn't we be seeing something before too long? If not, why not?
I know there are many EE's out there as well as others that are knowledgeable about this topic, would appreciate your thoughts. TIA.
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