Eaton 5S Series is Line Interactive technology, with silent operation and stabilizer operation even in extended overvoltages / substations without battery activation (AVR, Booster / Fader). All models incorporate a lightning protection circuit to protect network-supported loads (modem, fax, phones, xDSL) from voltage spikes that can be received through the network or the telephone connection. They also include USB Interface for PC connection and USB cable, IEC-IEC charging cable (RJ11).