Where's the nonsense? This doesn't seem to debunk the claim that if the batteries go totally dead you are screwed, out a $40K battery pack.

> Tesla batteries can remain unplugged for weeks (or even months), without reaching zero state of charge.

Maybe I'm trying to find a conspiracy here, but the batteries generally aren't unplugged; they are connected to the car and it's drawing a small current. That drain from the mostly-idle Tesla's electronics are enough to flatten the battery faster than if it was truly unplugged.