Jun 10, 1986

Thai Storage Battery Co., Ltd. (TSB) was founded

Nov 9, 1987

3K Products Co., Ltd. (3KP) was founded to act as sole distributor of automotive batteries, golf cart batteries, and lighting batteries in Thailand

May 15, 1989

TSB had received TISI6-1981

Jan 10, 1994

TSB became a Public Limited Company under the name “Thai Storage Battery Plc”.

Feb 10, 1995

Listed in Stock Exchange of Thailand (SET) as “BAT-3K”.

Mar 28, 1997

Thai Nonferrous Metal Co., Ltd. was founded in order to manufacture lead alloy and pure lead.

May 21, 2004

TSB had received ISO 14001:2004

Year 2004

Expanded the capacity from 250,000 to 300,000 battery per month.

Year 2005

Launched 3K Shops in Thailand market.

Year 2007

Expanded the capacity to reach 350,000 batteries per month.

Feb 2, 2007

TSB had received ISO/TS 16949:2009

Feb 2, 2007

TSB had received ISO 9001:2008

Year 2012

Launched Sealed Maintenance Free (SMF) Battery in Thailand.

Mar 24, 2016

Expanded capacity of traction battery from 200 to 400 sets per month.

Jul 25, 2017

Hitachi Chemical acquired 43.9% share from Korphaibool family. Hitachi Chemical has acquired Thai Storage Battery Plc. 3K Products Co., Ltd. Thai Nonferrous Metal Co., Ltd. and Power Plas Co., Ltd from Korphaibool family.

Sep 8, 2017

Hitachi Chemical has acquired approximately 87% shares of Thai Storage Battery Plc.

Sep 14, 2017

Thai Storage Battery Plc. 3K Products Co., Ltd. Thai Nonferrous Metal Co., Ltd. and Power Plas Co., Ltd become members of Hitachi Chemical Group Company.