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 (SET: BAT-3K, ABBV: TSB), which manufactures and distributes these batteries.

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).

[1] The company closed in mid-2017 due to the heavy losses.