1、 Replace the charger

　　Taking mobile phones as an example, they all use single lithium-ion batteries. When these lithium-ion batteries fail to charge, it is not necessarily a problem with the battery itself, but rather a problem with the charger, charging port, and charging plug. It should be noted that lithium batteries belong to smart batteries and must be charged using the original charging device.

　　When the charging port is damaged, the data cable is damaged, or the charging plug is damaged, the battery cannot charge normally. The damaged equipment or components must be replaced in order to charge normally.

　　2、 Replace the lithium battery

　　Although lithium batteries are a substitute for older batteries, they have a lifespan similar to that of older batteries. When fully discharged, their lifespan is around 500 times. In daily use, the charging and discharging cycles of lithium batteries also accelerate the loss of their lifespan.

　　If the lithium battery we use reaches its lifespan, it will not be able to charge properly. The only solution is to directly replace a new lithium battery, there is no other way.

　　3、 Low voltage charging method

　　If the lithium battery we use is a large capacity lithium battery for vehicles, and it is not used for a long time, based on the self discharge characteristics of the lithium battery, the battery is in a low voltage state. At this time, charging the lithium battery is definitely not enough.

　　You can use a low-voltage charger to charge the lithium battery, and wait for the battery to have some electricity before using the original charger for charging. However, this method is only applicable to a portion of lithium batteries, and it does not work for some lithium batteries.

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