Digital X 850VA is Line Interactive UPS that will ensure to maintain power and protects them against surges, spike and other abnormalities and also maintain the safe voltage without having to resort to the battery power. This UPS will stabilize the AC signal and provides notification of changing utility power and UPS power conditions. In this UPS, it has 1 pcs, 12V, 9AH battery, 480W load capacity with external form factor, Surge protected suppression and Sinewave technology. This UPS provides backup power and surge protection for home and small office computers, wired and wireless network routers and modems, home theater systems, game consoles, and personal electronics. Safeguards valuable documents, photos ,music and videos, files from loss or damage due to power fluctuations and surges as well as uncontrolled equipment shutdown caused by power interruptions with 01 year 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.