Possible reasons are as follows:
< br >
1. The car charger is in poor contact with the charging device
< br >
2. The voltage of the car charger is too low to meet the needs of the charging equipment, resulting in charging failure
< br >
3. The voltage of the car charger is unstable, and the battery protection mechanism of the charging device works, resulting in charging failure
< br >
4. The quality of the charging device itself is faulty, resulting in charging failure
It can be recharged. There must be something wrong with the charging cable you bought