If the mobile phone battery is used for two or three years or is not used for a period of time, it may be difficult to charge or not charge at all. For such a battery, many people will choose to throw it away directly. In this case, the reporter consulted the mobile phone maintenance expert. According to reports, in this case, if some small tips are used properly, the battery may be repaired .
If the mobile phone battery has been used for two or three years, it may be difficult to charge. At this time, it should be checked whether the charger interface is aging or the charger itself is damaged. Check if the charging interface of the mobile phone is in poor contact due to aging. If it is, it needs to be replaced. If not, it may be that the contact between the battery and the mobile phone is oxidized. You can take out the battery of the mobile phone, wipe the metal foot (golden copper piece) on the battery with an eraser, and then put the battery back on the mobile phone. Better.
For a mobile phone battery that has not been used for a while, it is difficult to charge or cannot be charged. You can try the freezing method. Wrap the battery in three layers with plastic wrap, then wrap the three-layer newspaper in the cling film, put it into the freezer of the refrigerator, take it out after 2 days to 3 days, and then place it at room temperature for one day, which can have a certain effect. If the mobile phone battery has been activated, it means that its internal structure has been damaged and only a new battery can be replaced.
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