This VI-series UPS (Voltage Independent) provides a stable and stable power supply. Thanks to the integrated AVR function, all connected devices are already protected during mains operation. The AVR function makes it possible to compensate current fluctuations within certain limits without having to fall back on the batteries of the UPS. Characteristics: -Type: Line Interactive Slim 1U (1UU) Design Capacity: 750VA / 450W Batteries: 2x 6V/9Ah Pure Sine wave allows a variety of applications AVR Function HID compliant USB port-4x IEC outputs.