Two potential opportunities (links below) for Tesla batteries.

- Home use: Rechageable batteries/storage devices (from solar, wind, or grid) for home use could be a more lucrative market compared to e-cars.

http://www.bloomberg.com/news/articles/2015-02-12/tesla-planning-battery-for-emerging-home-energy-storage-market

- New Toyota Rav4 ev: Just introduced, it has Tesla battery system "under the hood", potential market expansion for Tesla's batteries in other car models. Elon has expressed interest in future coopeartion with Toyota. Note: Toyota owns ~3% Tesla.

http://www.treehugger.com/cars/toyota-introduces-rav4-ev.html

goldhunter