Long Sing Technology Group (Hong Kong) Limited

We are a leading manufacturer of 3.6V Lithium Thionyl Chloride (Li-SOCl₂) batteries, delivering high-performance energy solutions for industrial, metering, and IoT applications worldwide. With a strong focus on innovation, reliability, and safety, our batteries are engineered to provide exceptional energy density, ultra-long shelf life, and outstanding performance in extreme environments. Our product line includes cylindrical primary cells in a wide range of sizes—including ER14250, ER14505, ER18505, ER17500, and ER34615—tailored for use in smart meters, GPS trackers, remote monitoring systems, military equipment, and security devices.