The total project typically spans from about $470 on the low end to $12,000 or more for large, enterprise-grade systems. Per-unit estimates often appear as $/VA or $/kW, with higher efficiency and lithium batteries pushing up the upfront price but reducing long-term operating. . The CyberPower LE1000DG is the best UPS for people who want to back up a few small electronics — such as a modem, router, PC, external hard drive, or game server — during a blackout lasting up to three hours. It offers many of the same premium features found in pricier models, including battery. . Amazon. com: Computer Uninterruptible Power Supply Units - Computer Uninterruptible Power Sup. : Electronics New customer? Start here. Entry-level models for home use start at $50-$200, while enterprise-grade systems with high wattage and extended runtime exceed $5,000. . Buyers typically pay for UPS systems based on capacity, battery chemistry, features, and installation complexity. Why Do You Need a UPS System? Even brief power outages can result in data loss or potential hardware damage.
