Running desktops for business without power backup is flirting with disaster. The best deal on UPS power supplies is the mid-level BE550G by APC. APC is the leader in surge protection and power backup because they have designed UPS units for every business’s need. The BE550G can protect eight outlets from a power surge, and supply emergency backup power to up to four devices at once for over three minutes, enough time to backup your important documents during a power outtage. The batteries in the BE550G are Sealed Lead Acid RBC2 batteries, which are commonly found and easy to install once it comes time to replace them. You can get the APC BE550G backup unit at ReStockIt.com for 40% off now, with 1-2 day delivery!