A woman sparked panic at an airport after her power bank exploded inside her rucksack.<br /><br />The young tourist arrived at the Chiang Mai International Airport in northern Thailand last Sunday (July 21).<br /><br />But while she was walking into the check-in area, a ball of flames emerged from her black backpack. <br /><br />The terrified woman hurled it to the ground while dashing away. Then while a security guard was taking a picture of the burned-out device, it suddenly heated up again and started spinning like a catherine wheel firework. <br /><br />Airport officials said the holidaymaker from Africa, was not injured after the explosion but her clothes were burned.<br /><br />The Airports Authority of Thailand released CCTV of the incident to warn airplane passengers about the dangers of travelling with power banks. <br /><br />In a press conference today (July 26), they warned that power banks carried on board aircraft must adhere to the International Air Transport Association's safety standards.<br /><br />They said that batteries or power banks with a capacity of more than 32,000 milliamp-hours (mAh) are banned, while no more than two packs of batteries with capacities of 20,000 to 32,000mAh can be taken aboard. <br /><br />There are no limits to 20,000mAh capacity power banks.<br /><br />An airport spokesman said: "The remains of the device showed that the short circuit led to the fire then explosion.<br /><br />"Passengers are not allowed to use power bank devices more than 32,000 mAh on board because an explosion like this could be very dangerous."
