The second-generation EA900 series 1kVA-20kVA UPS is a new generation of general-purpose UPS power supply designed and manufactured by Easenergy with the latest research and development achievements and application experience. It employs advanced DSP digital control technology, effectively enhancing product performance and system reliability, while achieving higher power density integration and miniaturization. Additionally, to fully meet the personalized needs of users, this high-end, low-power online UPS power supply product is specifically designed for small and medium-sized enterprises and institutions both domestically and internationally, as well as for small power supply environments. It provides high-reliability power protection for users' departmental servers, small local area networks, workstations, industrial control computers, small equipment, and other small precision electronic instruments.