NCTS QSTROM PRO 3000VA/1800W Line Interactive UPS with AVR, Simulated Sinewave Output, Fast Recharge, Full Protection, LCD Display, 12V 9A x4 Batteries , Off-Mode Charging & Generator Compatibility for Personal Computers

Expert Features:Line Interactive UPS with Simulated Sinewave Output: Provides stable power with simulated sinewave output, ensuring protection for sensitive equipment.Microprocessor Control: Guarantees high reliability with internal self-diagnostic technology, monitoring the UPS for optimal performance.Boost and Buck AVR: Stabilizes input voltage with two boost and one buck control to maintain a wide input voltage range of 140-300Vac.Off-Mode Charging: Allows the UPS to charge even when not in use, ensuring the battery remains ready.Fast Intelligent Battery Recharge Function: Rapidly recharges the battery to 90% capacity within 6-8 hours.Generator Compatible: Compatible with generators, offering reliable backup power during outages.LCD Display: Provides clear, real-time information about AC mode, battery mode, load level, battery level, input/output voltage, and status alerts.Full Protection: Includes short circuit, overload, overcharge, and overdischarge protection to ensure safety and longevity.Expert Specs:Capacity: 3000VA/1800WInput Voltage: 220VACInput Voltage Range: 220/230/240VacInput Voltage Range (Boost/Buck AVR): 140~300VacFrequency Range (Auto Sensing): 50/60HzOutput Regulation (Batt. Mode): ±10%Output Frequency (Batt. Mode): 50/60Hz ±1 HzTransfer Time: 4-8ms (Typical), 13ms Max.Output Waveform: Simulated SinewaveBattery Voltage: 48VdcBattery Type & Number: 12 V/9Ah x 4Recharge Time: 6-8 hours to 90% capacityAlarm: Low battery, overload, battery replacement, and fault alarms with varying frequenciesOperating Environment: Humidity: 0-90% RH @ 0-40°C (Non-condensing), Noise Level: <55dBPhysical Dimensions: 436x145x212mm (DxWxH)Net Weight: 23kg