The incubator is expected to attract up to 30 battery companies in California who can tap researchers and use equipment at Berkeley Lab and other research institutions.

Lawrence Berkeley National Lab and non-profit California Clean Energy Fund (CalCEF) have started CalCharge, a US-based incubator for battery technology.

The incubator is expected to attract up to 30 battery companies in California who can tap researchers and use equipment at Berkeley Lab and other research institutions, participate in seminars and forums, recruit engineers and other employees and network with each other to trade information.

Dan Adler, CalCEF’s president, said: "To broadly scale renewable energy requires tackling the challenges…