Altair Nanotechnologies Inc. develops, manufactures, and sells energy storage systems primarily in the United States. It offers lithium-ion battery application kit, an open platform to support OEM design and system engineering initiatives; ALTI-ESS ADVANTAGE, a 2.0 megawatt system designed for fast-response applications demanding high power; PowerRack, an industrial battery system; and nano lithium-titanate battery modules and battery cells. The company was formerly known as Altair International Inc. and changed its name to Altair Nanotechnologies Inc. in July 2002. Altair Nanotechnologies Inc. was founded in 1973 and is based in Reno, Nevada. Altair Nanotechnologies Inc. is a subsidiary of Energy Storage Technology (China) Group Limited.