True Double-Conversion Online UPS. Rack or Tower design. Wide input voltage range (110~300VAC). Input Power Factor correction 0.99. Output Power Factor 0.90. 50/60Hz frequency converter mode. Hot-Swappable battery design. Emergency Power Off (EPO) function. ECO Mode Operation for energy saving. General Compatible. Charger capacity expansion to 8A for long-run models. SNMP+USB+RS232 multiple communications. Smart battery charger design for optimized battery performance. Selectable output voltage via LCD panel.