... battery capacity, input& output ,multiple languages (English, Russia… ..)2. Adopts MCU digital control, with good performance, make controlling ... double conversion technology, output is pure sine wave, provide complete security for load.4. Adopts PFC, which is higher ... inside, battery over-discharging.10. Intelligent by-pass output.11. With RS232, SNMP interface, monitoring UPS working state.Technical ...