Windows 10: Battery suddenly drops to 0% or stays at 100% for hours and laptop turns off, how to fix this?

Ever since January 22nd, my laptop battery suddenly drops down to 0% when I try to turn it on in the morning even though I left it charging the night before. It will then turn on when I plug it in again, but the battery icon will say 'Battery status: 0% Plugged in' and the battery percentage will stay at 0% no matter for how long I charge it. However, when I unplug it, the battery still displays 0% and my laptop is in low power mode, but will continue to function for a few hours until the battery actually reaches 0% and then it shuts down. Sometimes my laptop refuses to turn on unless I plug

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Battery suddenly turns off

my laptop is lenovo z510 updated to win10 from 8.1 with a built in battery, suddenly the battery monitor started not to descend the charging percent, 100% alltime and then suddenly it turn off, and when i charges it it appears 0% that is fully consumed,
the battery life is the same in time but its always 100% till it's fully discharged.

after several times i tried press on power button to turn it off and then the rebooting it, it became descending the percentage but it turns off suddenly in 10%, then it became worse at 20% and then it became 30%.

its the same time to consume the battery but it descends so slow and then it suddenly turn off and i can't deal with it.

would some body help??

 

Laptop Battery Suddenly drops from 50/60/70% to 0%

I have an Asus Tuf F15 (2021) gaming laptop. When I turn on the laptop it shows a considerable chunk of battery remaining but suddenly after booting, the device turns off and I have to plug it in to turn it on and it then shows 0 percent battery. Also sometimes it happens sometimes it doesn’t. I have checked the battery health report and the battery capacity is around 70-80%. I have owned the laptop for more than a year and this started to happen a couple of weeks back.

 

Battery drops to 8% and stays for 3 hours (actual life of the battery).

The battery indicator drops to 8% in about 20 minutes and I thought I needed a new battery or a new laptop, but it turns out to be a problem with Windows misinterpreting the battery level. I found out when my machine froze one day and I decided to let the
battery die because the power button would not reset the machine (that's how frozen it was) and the laptop ran for 3 hours and I realized that the battery must be ok and it must be a software problem. So the next reboot, I dropped the critical battery action
to 1% and the battery indicator dropped to 8% after about 20 minutes and stayed there for 3 hours. So the battery is just fine but the battery indicator in Windows is not working correctly. I tried to update the ACPI Battery driver in the driver manager,
but it says that I have the latest Microsoft ACPI driver. I checked the manufacturers website and the BIOS and drivers are all the latest provided as well.

Can you put in a trouble ticket to disable the critical action for a power plan so that it doesn't sleep, hibernate or shut down? There is no option to ignore the critical action on battery power, there are only those three options (sleep, hibernate or
shut down). Also, can you remove the low power alert icon (its a yellow warning sign) that appears over the battery so that it just stays at 8% for 3 hours and doesn't show a warning?

Thanks