High frequency and dual conversion on-line technology .
Wide input voltage range .
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 ).
Automatically charging batteries in UPS off mode.
Lightning and surge protections (surge energy rating 1050 Joules).
Short circuit and overload protections .
Fan speed automatically changes as load varies .
Optional external battery pack .
EMI/RFI noise filter .
Shutdown & restart schedule.