this post was submitted on 10 Mar 2025
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But why would it? Is the output not voltage controlled?
I'm guessing the cheaper ones don't have sine-wave inverters (they use a dressed up square wave which can be produced by purely digital electronics) so quality of the output waveform is bad. The power supply of the laptop (or PC) ends up having to work harder to cut out the extraneous bits of the waveform (that is it's job) but all that extra crap is just turned into heat. Laptop PSUs are small , so have less heat dissipation and likely aren't built for this. The ideal use case for these cheap inverters are purely resistive loads (like heaters) but even some less sophisticated electronics would probably be fine. Computer however, are generally designed for clean power.
If it's a sine-wave inverters and the generator is working properly then idk why it would matter.
Use an inverter-controlled one and you'll be fine. Our emergency communications shelter runs off one of those just fine, with a cheap offline UPS in there.
Yes, those that control frequency using the engine rpm aren't that great for most switching power supplies.