Back-UPS CS Battery Backup System Six-Outlet 350 Volt-Amps, Sold as 2 Each

so guys gonna do something a bit different today so today I have two consumer-grade uninterruptible power supplies these are the battery backups that you typically buy for your computer your home entertainment center these are used these are ones that I purchase with my own money both of these models advertise a stepped approximation to a sine wave waveform so now what do I mean by that so a true sine wave power that comes out of your outlet should look like just that a sine wave I got my oscilloscope here so I'll illustrate what that should look like don't do this at home unless you really know what you're doing and get yourself killed so see here that's what sine wave power looks like a dear outlet notice that the the waveform is nice and smooth the power is always or the voltage is always changing is no flat spots that's what you want to see and as you can see that's almost exactly 6