Power not. Charging

Sir hi all I am using xfce de and my laptop is not charging with 4 gb ram and hdd I am confused what do cN I do to solve the issue. I am finding my ac power charger not charging stays at 0% and suddenly jumps to 65%. I am finding an app like calibration of battery. It is working model is Dell vostro 3500 laptop in arch based pls share if anybody could solve such issues so that in future such problems can be eased . Cheers

Are you sure its not an issue with your battery itself? All batteries have a use life, beyond which they show such behaviour.

yes there are other reasons too for a battery to behave this way