Maxwell Technologies Raises $17.6M

San Diego-based Maxwell Technologies reported Tuesday that it has sold approximately $17.6M in a common stock offering, underwritten by Roth Capital Partners. The publicly traded firm, which trades on the Nasdaq as MXWL, said the funding will go towards working capital and general corporate purposes. Maxwell is a developer of ultracapacitors for the energy market, along with microelectronics for the defense and commercial markets, and other energy and power-related components.