PC Connection Express offers the APC Power-Saving Back-UPS Pro 1300 1,300VA Battery Backup (pictured), model no. BR1300G, for $145.95 with free shipping. That's the lowest total price we could find by $23. It features a 4-minute runtime at full load and surge suppression.

Of note, PC Connection Express also offers the APC Smart-UPS 750VA LCD Tower Battery Backup, model no. SMT750, for $239.95 with free shipping. That's the lowest total price we could find by $25. It features a 4.6-minute runtime at full load, surge suppression, LCD screen, SmartSlot for customizing UPS capabilities, and more.