Boston-Power Boosts Round to $66.4M

Boston-Power, the Westborough, MA-based maker of advanced lithium-ion batteries, has increased its Series E funding round from $60 million to $66.4 million, according to a regulatory filing. In June, the firm revealed that existing investors Foundation Asset Management and Oak Investment Partners both led the round, which included investments from previous backers Venrock Associates and Gabriel Venture Partners. The company, which makes long-lasting replacement batteries for Hewlett-Packard, has now raised more than $191 million since it launched in 2005.

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