APC Back-UPS offer protection for your home or office computer. The UPS has 6 AC outlets and also provides protection for telephone, Internet, fax and modem. It supplies up to 44 minutes (depending on model) of battery backup time while the power is out. The software included will save your open files and safely shut down your system. Manufacturer's equipment coverage warranty up to $50,000 (depending on model). APC(R) Back-UPS, Small Office, 22-Minute Backup, 500VA/300 Watt is one of many Standalone UPS available through Office Depot. Made by APC.