Tesla Battery Economics: On the Path to Disruption

http://gizmodo.com/tesla-battery-economics-on-the-path-to-disruption-1701854536

Tesla Battery Pack: Promises, Promises Or The Real Thing?

http://www.forbes.com/sites/michaellynch/2015/05/01/tesla-battery-pack-promises-promises-or-the-real-thing/?ss=energy

Why Tesla's Powerwall Is Just Another Toy For Rich Green People

http://www.forbes.com/sites/christopherhelman/2015/05/01/why-teslas-powerwall-is-just-another-toy-for-rich-green-people/?ss=energy