just to confirm - leave the protector thats plugged into the wall/grid, but do not use this( https://www.takealot.com/high-surge-protection-8-way-multi-plug-with-r30-000-warranty/PLID27971525 ) kind of adapter between the inverter and PC?
Got my hands on one of these trolleys now to power my PC, specifically this.
I have it plugged into the wall via a surge protected plug, and have this protector plugged in the inverter. It works well, but I've noticed that it has "no earth" when running on battery mode specifically - just want...