A123 Systems, Inc. designs, develops, manufactures and sells advanced, rechargeable lithium-ion batteries and battery systems. The Company is engaged in design and development efforts with several passenger vehicle manufacturers and tier 1 suppliers, including General Motors Corporation and Think Global AS, relating to the design and development of batteries and battery systems for 11 passenger vehicle power train programs that can be applied to 19 vehicle models. On August 31, 2007, the Company acquired Enerland Co., Ltd., a battery company based in South Korea. On February 23, 2007, it acquired 2080418 Ontario Inc., doing business as Hymotion, which develops the Hymotion Battery Range Extender Module for converting HEVs to PHEVs.