Sunj Energy (Luoyang) Co., Ltd.

Sunj Energy (Luoyang) Co., Ltd. is a high-tech enterprise dedicated to the research, development, manufacturing, and sales of lithium primary batteries and composite capacitors. The company specializes in high-performance power solutions for smart metering and IoT applications, leveraging advanced sealing technologies and electrolyte formulations to achieve ultra-long life and low self-discharge rates under 1% annually. Its offerings include ER series lithium thionyl chloride batteries (Li-SOCl₂) and lithium manganese batteries (Li-MnO₂) for maintenance-free operation in smart water, electricity, and gas meters, supporting 5-10 years of reliable performance. Sunj integrates automated production with 38 advanced lines, enabling an annual capacity of 216 million units, and focuses on safety through comprehensive testing for shock, vibration, and environmental extremes. Holding over 40 intellectual property rights and certifications like ISO9001:2015, CE, RoHS, and UN38.3, it collaborates with research institutes and universities to innovate in energy storage for intelligent devices. Exhibiting at events like the China International Metrology Expo, Sunj drives automation in metering systems, reducing costs and enhancing efficiency for global clients in energy management and IoT sectors.