I thought there was already news that he's reported a battery pack was coming to analysts?<p>Oh yeah: <a href="http://www.theguardian.com/technology/2015/apr/25/tesla-battery-home-elon-musk" rel="nofollow">http://www.theguardian.com/technology/2015/apr/25/tesla-batt...</a>
I'm going to go out on a limb and assume this is the battery system that Tesla has been working on. Just from the picture I certainly hope that the system is fully modular. A major factor for me is that the storage system is easily expandable.
"Dear Elon, please take all our money. Sincerely, The World."<p>Thanks for the shiny new things that also help the environment and are awesome engineering feats! Keep fighting the good fight!