If such a situation occurs suddenly, possible causes and solutions:
Hardware reasons, the aging life of the battery, or the battery contact rust or oxidation, resulting in poor contact charging is difficult to charge, you can go to the repair of the phone to detect and clean the contact; For software reasons, it is possible that some programs are of low quality, which causes system conflicts and consumes a lot of additional system resources. Therefore, it consumes more power than usual, if the hardware is not water or fell, the possibility of hardware problems is very small, after excluding the hardware problem, restore the factory Settings, can restore the mobile phone system to the original state, and then see whether the charging problem has been solved.