1988. 11. Established VOLTA BATTERY R&D CENTER.
 1989. 3. Registered battery manufacturer.
Build a domestic business network.
 1989. 7. Established Chinease local factory
(Production capacity : 400,000 KVA a year)
 1990. 7. Build business network through 11 local agency over the whole land Started exporting
to USA, Europe, Middle eastern Asia etc.
 1992. 3. Executed Industrial cooperation research with some foreign and domestic institutes.
 1994. 7. Completed the construction of domestic factory
(Production Capacity : 80,000 KVA a year)
 1995. 3. Developed long-time battery (2V series)
 1998. 1. Passed the confidence test of Samsung Electronics Co.Ltd,
LG Electronics, Hanhwa information & Communications co.Ltd, and Mecury co.Ltd, and started
the supplyof battery to the same companies.
 1998. 2. Registered as a supplier for Korea Telecom, Hanaro Telecom, and started the supply of
battery to the same companies.
 1998. 7. Acquired UL standard certificate.
Registered as a safety examination maker of a military goods supplier
 1998. 12. Registered as a supplier for Korea Electric Power Corporation.
 1999. 1. Acquired ISO9000 series certificate of England.
VOLTA R&D Center - Established plant department.
 1999. 2. Selected as a manufacturer and exporter supported by government.
 2000. 1. Acquired KS authenticate.
VOLTA R&D Center-Established communications and construction department.
 2000. 6. Registered as a supplier for Lucent Technology.
 2000. 8. Exporting to more than 30 countries including USA, Europe, Canada, Africa,
Eastern Asia.
 2001. 1. Started the production of cubicle, UPS and AVR
 2003. 3. Made a supply contact with HYOSUNG MOTORS & MACHINERY INC
 2004. 1. Completion of Second Factory In China.