Calculate the appropriate uninterruptible power supply (UPS) size by entering your equipment power requirements and backup needs below. This calculator helps determine the correct UPS capacity in VA (Volt-Amps) and required battery runtime based on your connected load and desired backup duration. From understanding phasing and power ratings to exploring different topologies and form factors, we are here to elevate your knowledge of all things related to. . Below, I walk you through just some of the basic steps to teach you how to size a UPS and determine the appropriate uninterruptible power supply size to support your equipment. Not all equipment needs to be supported, so reviewing all your equipment and breaking it down into a list of either. . An Uninterruptible Power Supply (UPS) is a device that provides backup power to electrical devices in the event of a power outage. It acts as a safeguard against loss of data, damage to equipment, and disruption to critical operations. UPS systems are commonly used in various settings such as. . UPS systems are widely used in offices, server rooms, and data centers to protect critical equipment from power outages and electrical anomalies. Unlike generators that may take time to kick in, a UPS offers instantaneous power, ensuring that sensitive equipment such as servers, medical devices, and. .