Stay productive during medium-length power outages with this backup system that provides you with abundant battery power. Be green and protected, thanks to energy-conscious features like high-efficiency charging, AVR Bypass and power-saving outlets. Data line surge suppression protects your equipment from surges and spikes traveling over Ethernet and coax cable lines. Automatic Voltage Regulation (AVR) instantly corrects voltage fluctuations, so you can keep working during brownouts and overvoltages. Automatic self-test ensures your system is always ready when you need it. Convenient LCD front panel displays the status of over 20 utility and battery backup conditions.