Tesla Model S owner and battery tinkerer Jason Hughes published this week some of his findings following his tear down of several Tesla battery packs. Hughes is best known among the Tesla community for salvaging two Tesla Model S battery packs in order to create a massive energy storage system for his off-grid residential solar installation even before Tesla introduced its own line of stationary energy storage products.

Now Hughes’ new findings raises a few questions about the actual capacity of Tesla’s battery packs. expand full story