ATEN OL2000HV 2000VA/2000W Professional Online UPS Ensure uninterrupted, clean power for mission-critical systems with ATEN’s double-conversion Online UPS. Featuring zero transfer time, advanced battery management, USB/DB9 connectivity, LCD monitoring, and optional SNMP support, it protects against surges, outages, and voltage fluctuations. Ideal for servers, desktops, and sensitive electronics—this UPS is your frontline defense against power instability.