Battery Startup Raising Second Round

Helix Micro, a Milpitas, Calif.-based battery cell and power management startup, has secured $12.3 million of a $25.75 million Series B round, according to a regulatory filing. Shareholders include Prudent Venture Investment Corp. (Taiwan), Amprex Technologies Ltd. (Hong Kong) and TechGains Funds. www.helixmicro.com