The in-flight use of power banks, including recharging them using the aircraft's power supply, has been barred, India's civil aviation safety regulator said in its guidelines. Notably, passengers have been advised not to plug power banks into seat charging facilities during flights. . Modern aircraft, such as the 787 Dreamliner, rely extensively on electrical power for critical and non-critical systems, including flight controls, brakes and cabin amenities. Electricity on aircraft is generated primarily by engine-driven generators, with additional backup sources like the. . Spare (uninstalled) lithium ion and lithium metal batteries, including power banks and cell phone battery charging cases, must be carried in carry-on baggage only. When a carry-on bag is checked at the gate or at planeside, all spare lithium batteries and power banks must be removed from the bag. . The DGCA issued a new circular which states airlines must report all lithium battery-related incidents to the DGCA. Power banks contain lithium-ion cells - compact, high-energy batteries that can store significant electrical charge and cheaper models lack built-in safeguards. Passengers are also. . This document is based on the provisions set out in the 2025-2026 Edition of the ICAO Technical Instructions for the Safe Transport of Dangerous Goods by Air (Technical Instructions) and the 66th Edition (2025) of the IATA Dangerous Goods Regulations (DGR). There are different limitations and. . India's aviation regulator, the Directorate General of Civil Aviation (DGCA), has prohibited the use of power banks for charging phones or other devices on board. Besides. .