Online UPS Rack mount, 3KVA, 6A,with out battery | can connect 2pcs of battery cabinet

• Rack/Tower design
• Charging currency 6A
• Can add max 3 pcs battery cabinets
• High frequency and true double-conversion
• Boost and buck AVR for voltage stabilization
• Frequency adaptive
• Humanized alarm system
• Automatically diagnose when starts
• Cold start
• Auto restart while AC is recovering
• Simulated sine wave output
• Intelligent battery management
• Short circuit and over discharged protection
• Automatically charging battery at UPS off mode