Defend your system against sags, power surges, burnouts, brownouts and facilitate an interrupted power supply with the APC BK500BLK 500 VA 6-Outlet Desktop UPS. It features an output power capacity of 300 watts for smooth performances. This device has an output voltage of 120 volts to provide uninterrupted power for your device and avoid the sudden loss of work. The six outlets of this UPS ensure extra battery backup as well as surge protection. You can work without using the main power by using this device, as it has 5.7 minutes battery runtime.