I purchased a few of these for my personal Ultimate Laptop setup as after doing the equation (167% of Wattage used = Min Volt-Amperes (VA), and based on my system I needed 2500 VA (so at 1500 VA which is 900 watts each I would need 2 units), which would give me about 15 to 20 minutes of use off UPS battery alone at full load. BR1500MS2 - APC Back-UPS Pro, 1500VA/900W, Tower, 120V, 10x NEMA 5-15R outlets, AVR, USB Type A + C ports, LCD, User Replaceable Battery | APC USA Jun 8, 2017 · The UPS market is a very diverse one. You can find tiny desktop units designed to keep a lightweight desktop computer running for 10 minutes, or walk-in-freezer sized units deployed in data centers to keep an entire bank of servers running through a storm. A good rule of thumb is that a UPS is sized to run its maximum load for about 10 minutes. Remember that a UPS is designed to ride through short outages and for the attached servers to shut down if the outage exceeds the runtime of the batteries. It isn't intended for long-term power; usually a UPS would s APC Back-UPS Pro, 1500VA, Tower, 120V, 10 NEMA 5-15R outlets, LCD, 1 USB Type C + 1 USB Type A ports. BN1500M2. Replacement battery (1) is available. Easy integration. Plug easily any equipment to the UPS (PC, HD TV, internet gateway,) thanks to IEC and Schuko outlets (on DIN models) Install 5E anywhere thanks to its small size. Easily manage your UPS from your PC (on USB models): Automatic integration into Windows/MacOS/Linux power management for safe system shutdown. .

how long will a 1500va ups last