Lenovo mobile phone battery cannot charge solution

Source: Internet
Author: User
Tags lenovo

Method 1: Check the charger

If you use a charger to charge the battery, the normal working status of the charger is a red light, full is a green light, if there is an exception to change the charger try to see if it can solve, you can also try the direct charge. If the direct charge does not work, it must be because the battery is broken. Change it.


Method 2:

If you do not have a landline charger, the battery can still be turned on, and the charging line is switched to the mobile phone connection, whether it is loose or not. If it is loose, it is mostly due to contact problems. Try to replace the charging line. If it is ineffective, consider

Method 3:


Discharge a lithium battery close to decommission, and recharge the battery to activate the battery. The specific method is to perform deep discharge on the mobile phone, that is, to consume internal power to achieve deeper re-charging, which requires some unconventional methods. Connect a cell phone to a low-voltage light bulb with a specific device, and the power inside the battery will be transferred to the light bulb until all the light is put. "Mobile phones need to slowly exhaust power at a low voltage. Under normal circumstances, if the phone is connected to a rated voltage of less than 3.6 volts, it will automatically shut down ." After power-on, the battery of the rechargeable mobile phone can be used for a longer period of time.
 
Method 4:

The mobile phone may have software problems or crashes, and the system does not display a charging icon. In this case, consider backing up your important information.


Method 5: wrap the old cell phone lithium battery that uses automatic shutdown with a fresh-keeping film and try to accept the package. There are three layers inside and outside to ensure that the battery is in a vacuum state. Then, the three-layer newspaper of the bread outside the preservative film is used to completely seal the lithium battery. Put it into the frozen layer of the refrigerator. After 48 hours, take out the battery and remove the wrapped six-layer paper film one by one. The lithium battery did not cause surface expansion or deformation due to freezing. After cool down for a period of time, then charge.


Method 6: First, use a clean eraser or other material cleaning tool to gently wipe the metal contacts on the lithium battery and the metal contacts on the mobile phone, which will help the charging status and the lasting power supply.

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