if its the stock battery and over 5 years old they have been careful designed to one day just die over night, you can plug it in regularly and fight it for a few years but far simpler to get a new better quality battery
if its the stock battery and over 5 years old they have been careful designed to one day just die over night, you can plug it in regularly and fight it for a few years but far simpler to get a new better quality battery