square wave offline UPS 500va 1000va 1200VAFeature:RJ45, RJ11, USB port and internal CPU control
Advanced PWM technology for inverter output
Input voltage:90 to 145 or 150 to 290V AC
Output voltage: 110 or 220V AC more or less10%
Overcharge and over-discharge protection
Low current switch control technology to extend the life of switch
Inner equipped charger of constant current and voltage
Advanced battery management
Low voltage protection system
AVR function, inner installed examination circuit for too low or high voltage of commercial power, can connect with the power generator
Thermal battery change technology
Special protection against AC/DC overload and short-circuit protection
LED displaySpecification sheets:Machine pictures: