The Dahua 650VA Offline UPS provides uninterrupted power to essential devices. It runs at an input voltage of 150-275 VAC, an input current of 1.8 A, and a rated input frequency of 50/60 Hz. The power factor of 0.85 assures efficient energy use. The output voltage is 220 VAC ± 10%, with 1.6 A from the mains supply and 1.2 A from the battery. The Dahua 650VA UPS has an output power of 360 W on the mains supply and 280 W on battery power, with a frequency of 50/60 Hz. The switch time is less than 10 milliseconds, resulting in a smooth transition during power outages. It produces a clean sine wave in mains electricity mode and a modified sine wave in battery mode. The Dahua 650VA UPS comes with a lead-acid battery and one 12 V, 7 Ah battery that charges up to 90% in 6 hours. The status indicator lights provide clear notifications: a red light flashes every 6 seconds while the battery is powered, a green light remains solid on the mains supply, a yellow light flashes every 20 seconds when charging while turned off, and both green and yellow lights signal charging while turned on. Alarm indicators notify users of battery power, low power, and overload conditions. The Dahua 650VA Offline UPS provides protection against overload, high discharge, and overcharging.Buy Dahua 650VA Offline UPS from Star TechIn Bangladesh, you can get original Dahua 650VA Offline UPS From Star Tech. We have a large collection of latest Dahua Offline UPS to Purchase for your Desktop PC. Order Online Or Visit your Nearest Star Tech Shop to get yours at lowest price. The Dahua 650VA Offline UPS comes with a 1 years warranty. Under the following conditions, the warranty would not be provided:• UPS burning due to thunder, abnormal overload, insect entrance and others.• If ambient temperature should not be maintained at 20 to 26 degrees Celsius with proper dehumidification. (24/7)• If the product is placed in a dusty and damp place.• In the absence of Generator connectivity Without proper battery charge, the warranty will be void.• Battery swelling and overcharging due to the wrong system voltage setting of the UPS.