I have a (refurbished) APC Back-UPS LS 500 I've been using for a year and a half or so, and recently when the power's been crappy (thanks to bad drivers...) I've noticed it's no longer doing the thing ...
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 ...