1.DSP control ,with excellent performance and comprehensive protections for load and UPS 2. Output power factor 0.9,offering more stronger load capability 3.Intelligent fan speed control ,with 4 levels varying according to load and temperature 4.Wide input range ,support kinds of generators 5.Dual input AC source supportable 6. EPO(emergency power off) 7.Event log up to 100 events, recording UPS running time and critical memories 8. High efficiency, (ECO mode)option 9.Intelligent N+X parallel redundancy, up to 6units 10.AC and cold start function 11. Multiple language display with large LCD, plenty of operation information 12. Conformal coating PCB for more critical operation environment 13. 3:1phase into single phase, easy convertible (10-20Kva) 14. Frequency Convertor mode:input 50Hz,output 60Hz or vice versa 15. Most advanced 3 electrical level inverter designfor 15-20kva 16. Extremely low failure rate and easy repair(MTBF＞80000h,MTBR＜0.5h) 17.Intelligent 10A charger，prolong battery lifespan by above 20%:interval three-stage charging process( constant current.constant voltage, float charging) with inverse battery connection protection(option) 18. Multiple communication ports ,SNMP card, AS400 card(optional)