* Please re-check the connection of the auxiliary charging cable.
* Are there any contaminants, foreign matter or the like adhering to the connection part of the charging terminal or charging cable?
Using a clean, dry cotton swab or cloth, clean the connection part of the charging terminal or charging cable, then re-connect the charging cable and try charging again.
* Are you trying to charge in an extremely cold or hot environment?
Charging in extreme temperatures may lead to deterioration of the built-in battery, so charging is automatically stopped to protect it. When the temperature returns to normal, charging will resume automatically.
We recommend charging at an ambient temperature range of 5 ° C to 35 ° C.
