3K Battery is a brand of automotive and motorcycle batteries in Thailand and other international markets. The products are marketed by Thai Storage Battery Public Company Limited (, ABBV: TSB), which manufactures and distributes these batteries. TSB was established on 10 June 1986.
The company recently delayed a major investment in Thailand due to investor pressures. The company's shares (BAT-3K) are traded on the Stock Exchange of Thailand (SET).
The company closed in mid-2017 due to the heavy losses.