In this guide, we've identified the best uninterruptible power supplies across different use cases – whether you need a compact UPS for a laptop or a high-capacity unit for a workstation or server. . Is it normal to smell a littlel burning inside of a power supply? A power supply from a bit older pc smells like burning a bit,but its still running the pc good somehow. Is it normal?Is it ok to use?Is it gonna pop? Im just gonna replace this. Cheap knock off China brand psu go boom boom! Ha-ha No. . My house had a power surge while I was asleep and I forgot to turn off my pc unfortunately, so I heard a pop from my pc. The psu is a super flower leadex III 850w 80+ gold. It also had smoke coming out of it after the pop, I was in a panic seeing this and I quickly shut my pc off, it smelled like. . We got a brand new Eaton 5P 850VA UPS which came to us in a sealed box. The UPS itself works fine, and I do like the display and the easy access to the batteries (although I'm not sure why a line-interactive UPS needs a constantly running fan). However, I noticed a faint 'sweet' smell coming off the PSU even before installing it. For home users, a UPS can protect desktop PCs, gaming consoles, and smart home devices from unexpected power cuts.
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