United Nigeria Airlines has issued a safety advisory instructing passengers on the carriage and use of power banks, stating that the devices must be kept in hand baggage and must not be used or charged onboard its aircraft. In a notice shared on its official X page on Wednesday, the airline said the directive aligns with safety regulations issued by the Nigerian Civil Aviation Authority (NCAA) regarding lithium battery-powered devices. Under the advisory, passengers are required to carry power banks only in their hand or carry-on baggage, as the devices are strictly prohibited in checked luggage. The airline also barred passengers from charging power banks or using them to charge mobile phones and other electronic devices during flights. In addition, passengers are advised not to stow ...