& Winn Rosch editor@extremetech.com?subject=Letter+from+ExtremeTech+User Our team tests, rates, and reviews more than 1,500 products each year to help you make better ...

For mission critical business systems, UPSes are a critical necessity as a single brown out, power surge or power outage could easily cost thousands of dollars worth of lost time, lost data and ...

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 ...