Newegg offers the APC Back-UPS 700VA Battery Backup System for $67.99. Coupon code "AFEMSRGRF4" cuts the price to $49.99. With free shipping, that's tied with our April mention as the lowest price we've seen. (It's the best deal today by $27.) This Energy Star-certified backup system features eight outlets, a 340-joule surge protection rating, and a 5-foot power cord. It helps keep your equipment powered for up to 62 minutes per 24-hour charge.

Update: Although the coupon code has expired, the original price has dropped to $49.99.