Can I take my rechargeable battery with me on the plane? At present, the Civil Aviation Administration stipulates that electronic equipment containing lithium batteries of more than 100Wh but no more than 160Wh can be carried on board, and it is not allowed to be checked. The ordinary standby mobile charger is no problem. If only milliampere hours (mAh) are marked on the battery, divide this value by 1000 to get ampere hours (Ah). The nominal voltage of the lithium battery is 3.7V, and the capacity of your charging bank is 10000 mAh, so the rated wattage hours are 10000 mAh/1000=10Ah, 3.7Vx10Ah=37Wh. It is prohibited to carry or consign large lithium batteries or electronic equipment with a capacity of more than 160Wh. According to this calculation, the mobile power supply with a capacity of 43243.2432mAh or less can be carried on the aircraft.