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 ...

As we struggled to lift the 124-pound APC Smart-UPS 2200 RM XL onto our test bench, a number of words immediately entered our minds: robust, powerful, and hernia. With a 2.2-kVA rating, the easiest ...

A friend gifted this UPS Smart 1000XL to me. It wasn't hooked up for a long time, so nothing lights up. For testing purposes, can I pull the dead batteries and hook them to my 2AMP trickle charger to ...