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High frequency home UPS/inverter, modified sine wave inverter with charger, specially design for home instrument's use at unstable power condition. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Features: 1. Modiified sine wave output2. Electricity - Battery automatic conversion 3. Different choice of input voltage range 4. High-frequency digital technology, MCU control, more stable capablity 5. High efficiecy rate of DC - AC conversion, minimize energy loss 6.Tower design, can both stand up and lay down, can be placed flexibly 7. Equiped with super-charger, the maximum electricity can reach 8 A, and can charge for batteries with electricity over 100 AH 8.Intelligent charge control, can ensure the effective charging,but can not avoid excessive charging 9. Ultra-load protection 10. Restoration of electricity, automatically activated 11. Offline-charging functions (when the utility comes to normal, even if it is not turned on, the machine can still charge the battery) 12. Multi-functional LED indicator light and alarm deviceProduct SeriesNGModelNG500NG1000ANG1000BNG2000Rated Power300W600W600W1200WInputNominal Voltage110 / 120VAC or 220 / 230 / 240VACVoltage Range90 - 145VAC or 170-280VAC ( Narrow Range )50-145VAC / 90-280VAC (Wide Range)outputVoltage(battery mode)120VAC or 230VACFrequency50Hz ±0.1HzWave formModified sine wavePower factor(AC to AC)>95%Power factor(DC to AC)>80%BatteryTypeSealed Lead-Acid, Maintenance-freeNormal Voltage12VDC24VDC12VDC24VDCCharger Current8 Amp + / - 1Amp6 Amp + / - 1Amp10 Amp + / - 1AmpSwitch time8ms(NARROW)LED indicatorsUtility modeGreen lightBattery modeYellow lightOver-load/faultRed lightAudible alarmLow Voltage(battery mode)Beeping sound every two seconds.Over-loadBeeping sound twice every secondFaultContinuous beeping sound Conduction/RFIGB7260.2/EN50091-2CLASS AEnvironmentalOperating Temperature0 40Relative Humidity0% 90% non-condensing