The second-generation EA900 series 1kVA-10kVA UPS is a new-generation general-purpose power supply designed and manufactured by Easitek with the latest research and development achievements and application experience. Utilizing advanced DSP digital control technology, it effectively enhances product performance and system reliability, while achieving higher power density integration and miniaturization. Additionally, to fully meet the personalized needs of domestic and international small and medium-sized enterprises and small power supply environments, this high-end, low-power online UPS product is specifically designed. It provides high-reliability power protection for customers' departmental servers, small local area networks, workstations, industrial control computers, small equipment, and other small precision electronic instruments.