I got a APC smart UPS 1000 from work, but when I plugged it in, there is nothing happening...at all<BR>when I plug another device into the back it acts like there is no power<BR>the fuse on the rear ...

I have an APC Smart-UPS 3000 XL battery backup. In addition to the internal batteries, it has a connector for adding an external battery pack to it. While it's available on Newegg for WAY cheaper than ...