1. Generally, the maximum limit of domestic flights is 100Wh. As long as it does not exceed 100Wh, you can take it on the plane without airline approval. If the rated energy exceeds 100Wh but does not exceed 160Wh, it can only be carried after the approval of the airline, but each passenger shall not carry more than two charging treasures;
2. It is forbidden to carry charging treasure with rated energy exceeding 160Wh; It is strictly forbidden to carry charging treasures that are not marked with rated energy and whose rated energy has not been calculated through other marked parameters;
3. The conversion of Wh and mAh on our general charging treasure products is 100wh, and the charging treasure capacity is 27000mAh, so the general charging treasure of 20000mAh can be taken on the plane.