Coslight Technology International Group Limited is an investment holding company. The Company operates in three divisions: sealed lead acid batteries and related accessories, which is engaged in the manufacture and sale of sealed lead acid batteries and related accessories; lithium-ion batteries, which is engaged in the manufacture and sale of lithium-ion batteries, and nickel batteries, which is engaged in the manufacture and sale of nickel batteries. Its subsidiaries include Coslight Hong Kong Limited, Coslight International (B.V.I.) Company Limited, Cosstone Limited Liability Company, Coslight International Company Limited, Harbin Coslight Power Company Limited and Harbin Coslight Industrial Company Limited.