Which batteries am I allowed to take with me? TUI fly IMPORTANT INFORMATION: Power banks and batteries must be packed in your carry on bag, never in your checked luggage. Pack smart and play your part. @civilaviationnz Civil Aviation Authority of NZ Remove vapes, e cigs, and spare batteries including power banks from luggage checked at the gate. These are only allowed in carry on bags. Protect them from accidental activation. Learn more on how to Why are batteries not allowed in checked baggage? Lithium Battery Ban in Checked Baggage for US Travelers