The emergence of smart phones has brought great convenience to people, and the shortcomings of its fast power consumption have also annoyed people. In order to solve this problem, people invented mobile power. So, can mobile power be brought on board for travel?
    The “Limited Belt Order†issued by the State Administration of Civil Aviation has really confused a group of mobile power fans. I don't know what kind of mobile power can bring the plane. The standard capacity of mobile power is mostly between 3,000 and 15,000 mA, and the individual product has a capacity of 2000 mA. Most mobile power supplies are rated between 3 and 4 volts. So what is the relationship between this mAh and the watt-hours mentioned in the “Limited Belt Order� Can mobile power be brought on the plane? What brand of mobile power can bring the plane?
    It is understood that the watt-hour of the "restriction band" is actually the unit of rated energy value. The conversion formula between capacity, voltage and rated energy value is: capacity (milliampere) × voltage (volts) = rated energy value (Watt hours) . According to this formula, one can calculate whether his mobile power can be taken on board. According to this calculation formula, the 20,000 mA mobile power supply has a rated energy value of 20,000 mA × 4 volts = 80 watt hours at a voltage of 4 volts, less than 100 watt hours, in accordance with the regulations of the Civil Aviation Administration.
    In addition, if the mobile power source carried by the passenger is not marked, it is not allowed to board the aircraft. In the disputes caused by the mobile power supply handled by the airport police, 80% of the mobile power supplies carried by the passengers belonged to the three-products. There was no capacity indication on the products, and the airport security personnel could not determine whether they could bring the aircraft.
    Can mobile power be brought on board? Of course not all. The Civil Aviation Administration of China stipulates that, for example, a 20,000 mA mobile power supply with a rated energy value of 20,000 mA × 4 volts = 80 watt hours at a voltage of 4 volts, less than 100 watt hours, can be carried on the aircraft, and can not be carried Miscellaneous, safe but off the mobile power on the plane.
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