NOTE : If you think that the upgrade will be bundled, then please remove your opinion of the price/value of those upgrades and isolate the battery upgrade cost. I posted some of this in my other thread, but I wanted to get poll results... What is the current speculation on 75kWh upgrade price? I know that Elon is on the record in stating that they were already below $190/kWh, but won't specify exactly how below. That means Tesla cost for 15 kWh is below $2,850. I strongly suspect that they will make this a high margin upgrade, unlike their most recent 60 kWh to 75 kWh MS upgrade ($2k or $133/kWh) or 70 kWh to 75 kWh MS upgrade ($500 or $100/kWh). At 75% margin, the 75 kWh upgrade could be offered for $5k.