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Uninterruptible Power Supply FSP/Fortron ST 1500 — Line-Interactive UPS 1.5 kVA (900 W), 18 Ah battery, tower, USB, black
The FSP/Fortron ST 1500 is a line-interactive uninterruptible power supply designed to provide short-term backup and voltage regulation for desktop computers, small servers, network devices and peripheral equipment. With a rated output capacity of 1.5 kVA (900 W) and an internal 18 Ah battery, the unit offers a compact tower form factor, active cooling and a single USB 2.0 port for basic communication and orderly shutdown in the event of prolonged power loss. The black enclosure and moderate footprint make it suitable for office racks, workstations and home setups where space efficiency and continuous operation are required.
The ST 1500 combines line-interactive voltage regulation and battery backup to protect against short outages, brownouts and voltage fluctuations while maintaining device uptime. Its internal 18 Ah battery and 900 W output enable sustained power delivery to essential equipment. Active cooling helps maintain thermal stability under load, and the tower design provides straightforward placement on or near a desk. The single USB 2.0 interface supports power management software and controlled shutdown procedures.
Place the tower UPS on a stable, ventilated surface away from direct heat and moisture. Connect the UPS to mains power and allow it to charge for the recommended recharge time before relying on battery backup. Plug critical equipment into the battery-backed outlets and non-critical loads into surge-only outlets if available. Use the USB 2.0 connection to link the UPS to a computer running compatible power management software to enable automatic, orderly shutdown when battery runtime becomes low. Periodically inspect the unit, keep vents unobstructed and follow manufacturer maintenance guidelines for battery care.
For consistent performance, avoid loading the UPS beyond its 900 W rated output and spread high-startup-load devices across separate power sources. Maintain the unit in a temperature-controlled environment and perform battery replacement as recommended by the manufacturer to ensure reliable backup operation.
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