Best Seller | APC Back-UPS 650VA, 120V, 8 NEMA outlets Battery backup units allow you to continue using your network connection or computer system during utility power problems like outages or when utility voltage fluctuates outside of safe levels. In these cases, the battery backup unit will instantly... ... more APC Back-UPS 650VA, 120V, 8 NEMA outlets Battery backup units allow you to continue using your network connection or computer system during utility power problems like outages or when utility voltage fluctuates outside of safe levels. In these cases, the battery backup unit will instantly... | | $143.00 $99.99 FREE shipping go to store |