Office Depot offers the CyberPower Intelligent LCD Series 850VA 9-Outlet UPS, model no. CP850AVRLCD, for $89.99. Coupon code “367597258″ cuts it to $69.99. With free shipping, that’s the lowest total price we could find by $20; most places charge over $100. Sales tax is added where applicable. This UPS features five outlets with battery backup and surge protection, four outlets with only surge protection, LCD display, and both USB and serial connectivity.