I left my laptop unused for months. Not it shows charging but it does not charge. It used to show 33% few days ago now it shows only 27%. Lenovo Idea pad. It works only ac adapter. On battery it does not work. And my battery is inbuilt.
I left my lenovo thinkpad P500 unused for 2 months. Now it does not run on battery and battery is not charged more than 28%. It used to show 32 % few days ago. The percentage is decreasing. It runs only after joining power adaptor. And my battery is inbuilt.