Application: Large-medium computer data center, industrial process and other mission-critical equipment. Features: 1. Double conversion on line technology 2. Modularize 3. Double CPU control 4. Static bypass 5. Manual maintenance bypass 6. Wide input voltage range 7. LCD with control panel 8. Advanced battery management 9. Parallel redundant, parallelabel up to 6 modules 10. Self diagnosis 11. Full protection against over-discharge, overcharge, over load.