u/69redditslayer69

Hi, my lenovo keeps starting then turning off then starting etc etc.
I have tried everythinf maybe you guys can help me since i had this problem since 2020 and i havent solved it so i just kept it in storage.
Also, when i unplug the charger then it turns off. It also gives me this warning

Can anyone help me please? ive been trying to fix this but i accept any solution ill try but it has been hell since it just turns off when i unplug the charger.
Thanks guys