Analysis: Three reasons why mobile phone batteries do not charge

Many friends are complaining: After a month or two of mobile phone battery is taken out, it is not charged. How is it going? China Battery Network Xiaobian believes that mobile phone battery charging does not require input from several aspects:

1. It may be a problem with the phone itself.

2. May be a charger problem

3. May be a problem with the phone battery itself

First, the phone problem

There is a charging problem inside the mobile phone itself. This requires the mobile phone to be taken to the designated national warranty point to detect the repair.

Before you send it, you must first determine what is really a mobile phone problem. Try it with a good mobile phone battery and charger of the same model. If you use your own charger to load your mobile phone with someone else's battery, or not, then try it with someone else's charger. The result is still No, it is a problem inside your own mobile phone, this is your own sent to overhaul! I said this is actually a very simple replacement method.

Second, the charger problem

If you use the replacement method mentioned above, you can charge it after replacing it with someone else's charger. That is, your own charger is broken. If you have a warranty, you can quickly repair the warranty. If not, send him to your brand. The after-sales service point of the mobile phone is called the manufacturer to help you repair. Because the manufacturers are more clear about their products, the maintenance will be guaranteed, do not just send them to the street shop to repair.

Third, the battery problem

If you can replace it with another good battery, then it is your battery problem. In the case of determining that your mobile phone battery has a problem, first take out your mobile phone battery to see if there is any rising drum? Is there any rust in the metal contact position? If the drum is made, it means that the battery has a problem and it is damaged. Or the mobile phone battery cycle life has expired; or the battery protection circuit board has failed.

If the battery of the mobile phone rises and the drum is damaged, the battery is damaged. Please do not continue to use it to avoid damage to human health and property caused by the explosion! If it is a new battery, do not continue to use it. . If the expiration date has expired, please dispose of the drum battery as hazardous waste.

If it is caused by poor contact between the hardware contact and repair, you can use alcohol or wash water to scrub the rust, then wipe the hardware with a clean cloth and reload it into the phone.

If it is protection circuit damage or virtual welding, etc., it is necessary to take the product to the manufacturer's warranty, consumers should not disassemble the battery indiscriminately, so as to avoid short circuit inside the battery during the disassembly process, causing the battery to explode!

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