When choosing a UPS for installation in a rack, the buyer, as a rule, focuses on price, capacity and number of outlets. In our reviews, we not only measure performance, but also pay attention to the design of the device, and sometimes in the most budget models you come across such an engineering thought for which you want to shake hands with the developers. Today we are testing a double conversion UPS from PowerMan. When choosing a UPS for installation in a rack, the buyer, as a rule, ...