NOTEBOOK KEYBOARD – HP 4540S

Output voltage, output frequency, Bypass mode, ECO mode, battery low voltage and Frequency Converter enable/disable are settable via LCD panel.

Built-in power purifying isolation transformer protects the load from even the most damaging power disturbances.

Load-based fan speed control makes UPS produce low noise.

The UPS performs advanced self-diagnostics to ensure the functionality of the UPS system and batteries, and to anticipate events before they occur.

In the absence of any AC input, the cold start function allows users to start the UPS with the batteries, and without any damage to them or the circuits.

2 Years Warranty

1 Year Warranty for Battery