255% available (plugged in)

I have the same problem in my ASUS GL553VD laptop. 255% available is shown when you scroll over the battery icon. Sometimes the battery is detected sometimes its not. Also, the battery indicator constantly keeps on blinking like the laptop is about to run out of battery. I have already purchased two replacement batteries which did not solve this problem. Even tried replacing the charger but the issue remains.  

One thing that I have noticed is that when you unplug the AC adaptor, the laptop turns off immediately. But when you disable or uninstall Microsoft ACPI-Compliant Control Method Battery from device manager the laptop does not turn off. In fact it lasts until the battery is drained out completely. I have no idea whether it is a hardware issue or software issue.

I also have the same exact problem and I am trying to find if anyone will tell how to fix the problem. I searched how to fix the problem but nothing seems to work.

It is serious because I get that message and the battery is not charging.

I have the exact same problem.   See screenshot below.  My surface pro 3 dies instantly the charger is removed. See the grey, hollow battery icon in the tray in the screenshot which is empty which implies that the battery is not connected.    I can only use my surface pro plugged in which is hopeless.  

Perhaps Microsoft could confirm the death circle whereby windows (firmware?) updates to fix the battery problem will only install when the battery is charged to 25% but the battery cannot charge to 25% because a previous windows update has screwed up the firmware supporting the battery so the firmware will not install.    

Any fix for this battery problem would be greatly appreciated.      

I have the same 255% problem in my HP Pavilion 13 x360 PC. It definitly started when I have installed Windows 10 1909 update two days ago.   Tried many known tests, recepies but all in vain. HP Battery check returns "Unknown". Any help which may be forthcoming will be greately appreciated