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UPS is an important power backup equipment for technology-sensitive industries such as semiconductors. The battery consumption is far less than that of energy storage systems. When the voltage drops suddenly, it must have the ability to quickly support the voltage within milliseconds. Hsieh Fangji, chief technology officer of Truewin Technology, said that although the operating time of UPS is short, it can avoid defective rate, product scrapping or even downtime, which seriously affects production scheduling and customer shipments.

Fabs used lead-acid batteries in the early years, but now they have gradually replaced them with lithium batteries, and new factories have fully adopted them, bringing business opportunities for lithium batteries. Truewin shipped 260MWh of UPS batteries last year, the highest in the industry, and major wafer manufacturers, LED optoelectronics companies, and major packaging and testing companies are all customers. Hsieh Fangji said that the single UPS battery is mainly 50Ah, and Truewin uses batteries with a discharge capacity of 8C~10C, and the application design is between 6.5C~8C. The design thinking of the energy storage battery is different. The AFC energy storage battery is more than 100Ah to 300Ah, and the discharge rate is 0.5C~1C.

Truewin self-developed BMS and UPS special battery cells. After 8 years of use, the performance is stable, reliable and safe, and they are still in service. The first 2MW AFC energy storage system was built in Tainan Science and Technology Industrial Park. It was jointly developed by well-known domestic brands PCS, EMS and Funeng. The use of energy storage batteries is large, and the surplus is saved. In addition to the trial production line in Shalun, the new production line in Tainan has begun mass production. The production capacity can be expanded flexibly according to market demand, and growth is expected.

The storage surplus transfers the STOBA material of the Industrial Technology Research Institute, and will cooperate with Taiwan's battery cell factory to expand its application, give full play to the advantages of high temperature resistance and long life of the battery cell, and enhance its competitiveness. Hsieh Fangji is highly concerned about the development of the lithium battery industry in mainland China. On May 16, the Shenzhen International New Energy Lithium Battery Technology Fair (CIBF) exhibited battery manufacturing equipment to application systems, and all the first- and second-tier battery manufacturers were present. Lithium-iron batteries are the mainstream of large-scale commercial energy storage, and major manufacturers are more focused on commercial energy storage. Large-capacity batteries such as 280Ah and 310Ah lithium-iron batteries are becoming more mature and mainstream.

Each cell factory has its own characteristics. When looking for a partner, the performance and quality must meet the application requirements, and the scale is not the main focus. Truewin has sufficient capabilities and technical advantages to evaluate battery performance and quality control according to application requirements. System design and integration achieve high safety, high reliability and long life. Self-developed BMS real-time monitoring, recording and analysis of lithium battery system operation data.

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