<Li> 1989: UTA Flight 772 </Li> <P> Spare lithium - ion batteries, inclusive of battery packs and powerbanks are not allowed on checked - in luggage . </P> <P> Excess baggage is the amount of baggage that is in excess of the free allowance in size, number, or weight permitted for the journey . At the carrier's discretion, this may be carried at an extra charge, but no guarantee is made and it may have to be sent as freight instead . Some airlines impose excess baggage embargoes on certain (usually smaller) routes, indicating that they will accept no (or very little) excess baggage . </P>

What do you mean by check in baggage