Product : EA900 Series, True-online UPS Power : 1-10KVA (1/1), (3/1) • High frequency and dual conversion on-line technology • Wide input voltage range • Digital control technology • N+1 redundancy parallel function (6~10KVA) • Advanced PFC technology • True sine wave output with less than 3% THD • Self-diagnosis at UPS startup • Advanced battery management (ABM) • Cold start feature (DC power on) • Automatic battery charging in UPS off mode • Lightning and surge protections • Short circuit and overload protections • EMI/RFI noise filter • Optional external battery pack • RS232 port with monitoring software