The Prolink PRO901ES-3U 1KVA Online UPS is a reliable power protection solution designed for computers, networking equipment, servers, and other critical electronic devices. Built with true online double-conversion technology, it provides stable and continuously conditioned power with zero transfer time, helping protect sensitive equipment from power interruptions and voltage fluctuations.

With a capacity of 1000VA / 900W, the PRO901ES-3U is suitable for professional IT and office environments where reliable power continuity is essential. Its LCD display provides clear information about load level, battery level, AC mode, battery mode, bypass mode, and fault status, making it easy to monitor UPS operating conditions.

The 1KVA Online UPS features a wide input voltage range of 110–300VAC at 50% load and 160–280VAC at 100% load, along with ±1% output voltage regulation for stable power delivery. It also includes 3 universal output sockets, allowing multiple devices to be connected directly to the UPS.

Additional features include microprocessor control, input power factor correction, generator compatibility, Smart RS232 and USB connectivity, and an intelligent monitoring system. The PRO901ES-3U uses 2 × 12V/9Ah batteries and can recharge to 90% capacity in approximately 4 hours.