- Manufacturing and trading batteries.

- 1960: Construction of Van Dien Battery Plant was commenced;

- September 1983: Renamed as Hanoi Battery Plant;

- December 1989: Renamed as Hanoi Battery Union Enterprise;

- January 1996: Renamed as Hanoi Battery Company;

- January 02, 2004: Put into operation under the model of a joint stock company with a charter capital of VND14 billion;

- October 2008: Increased charter capital to VND19,740,000,000 and became a public company;

- November 2010: Signed strategic cooperation agreement with GP Batteries International Limited;

- March 21, 2011: Increased charter capital to VND34,545,000,000;

- November 18, 2015: Increased charter capital to VND51,814,430,000;

- January 30, 2018: Increased charter capital to VND72,539,110,000;

- January 07, 2019: Listed on Hanoi Stock Exchange (HNX);

- March 13, 2019: Traded on Hanoi Stock Exchange (HNX);