My TUF A15 Screen just went black after unplugging and restarted

[Windows 11]

So I just bought this laptop recently and the battery health is still at 99.8 percent and I was just gonna turn off my laptop but when I unplugged the charger first the screen went black I assumed it was just gonna return back to 60hz refresh rate because It was on auto but instead it went black and it just was not showing anything. There was still power because the light on the power was still on and it just restarted after. Is this a sign of a faulty battery?

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