Input lag desync PC and console

[bluca9211]

Only thing that worked for me was lifep04 battery, too much work trying to move house and hopefully find a place without the dirty electricity issue

Is this a UPS that uses lithium batteries?
Could you describe the problems you were experiencing and whether you managed to resolve them by using this device?

Ecoflow delta classic 3, power bank that I charge from wall then unplug and use pc and monitor from it. My issues were blurry display, distorted graphics, bad audio, the desync144hz feeling like 75hz etc. Running pc from wall outlet feels terrible, but the power bank feels great

I’m very glad you managed to resolve the issue; I’ll keep this tip in mind.
You mentioned:
1st, a type of screen freeze occurring while moving the mouse—it felt inconsistent with your set sensitivity (for example, at 800 DPI, it felt like double that, and the movement seemed "slippery").
Also, even with high FPS, you still perceived a significant delay.
This applies to both the desktop environment and in-game.