| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| General Motors Ventures | - | Yes | - | Detail |
| Applied Ventures | - | - | - | Detail |
| Beringea | - | - | - | Detail |
| Dyson | - | - | - | Detail |
| ITOCHU Corporation | - | - | - | Detail |
| Khosla Ventures | - | - | - | Detail |
| SAIC Venture Capital | - | - | - | Detail |
| Vertex Ventures | - | - | - | Detail |
| Vertex Ventures China | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Sep 1, 2012 | Grant | $ 40K | Massachusetts Clean Energy Center,MassVentures | Detail |
| Sep 24, 2013 | Series A | $ 4.50M | Vertex Ventures,Vertex Ventures China | Detail |