The rechargeable battery specialist expands to Singapore after announcing a new round of investment.

US-based portable power company Contour Energy Systems has closed an undisclosed amount of series C funding, as a number of previous investors were joined by the Singapore-based strategic investment fund EDB Investments (EDBI).

The state backed fund joined a consortium including US-based venture capital firms CMEA Capital, Harris & Harris and US Venture Partners, as well as the corporate venturing division of New York-listed oil services provider Schlumberger, all of which contributed to a $14.2m round of series B…