Compucessory 8-Outlet UPS Backup System w/ AVR, Silver

Use UPS Backup System with AVR to guard against surges; spikes; sags; brownouts. AVR steps up low voltages to safe output levels. System has eight outlets (four adapter-sized) and a 6' cord. Included software automatically saves and closes open files and then safely shuts down the computer. Backup system also features 15 amp circuit breaker; 100V-140V input voltage on utility; 120V +/- 5 percent output voltage on matter; 60Hz output frequency on battery; 890 Joule rating; 685VA Rating; 390 watts and 1 RJ11 input/1 output; 1 RJ45 input/1 output. Battery runs up to 70 minutes. To pick the correct UPS system; total the watt requirements of your equipment and add 30 percent extra capacity to ensure the battery backup will function. If your equipment does not give a wattage rating; simply multiply amps x volts to get your watt requirement. UPS systems are not designed for printers; fax machines; heaters or fans.