Pure sine wave, 3000VA Online UPS (double conversion), batteries 6pcs 12V-9AH

High-frequency online double conversion technology
DSP (Digital Signal Processor) control technology
Active Power Factor Correction (APFC), input power factor up to 0.99
Output power factor 0.9
Wide input voltage range (110V~300Vac) and frequency range (40~70Hz)
Automatic sensing frequency
50/60Hz frequency conversion
Cold start
Rear ventilation design and variable speed fan
Effective software and hardware protection
Fast and stabila charging, 90% power restored in 4 hours (standard model UPS)
Linear step-down Low voltage input reduces battery discharge time
Configurable delayed start when power is restored
Enhanced battery management (ABM)
Multiple functions that can be set via LCD: output voltage, EOD, auto start, bypass mode, ECO mode and frequency conversion mode
Multi-platform communications: RS232 (standard), USB / RS485 / SNMP