The equipment must be packed in strong rigid outer packaging constructed of suitable material of adequate strength and design in relation to the packaging's capacity and its intended use unless the cell or battery is afforded equivalent protection by the equipment in which it is contained. Maximum net quantity of lithium batteries or cells per package (excluding the equipment) is 5 kg for Passenger and Cargo Aircraft (PAX) and 35 kg for Cargo Aircraft Only (CAO) shipments.

Passenger aircraft:
Max: 5 kg.

Cargo aircraft:
Max: 35 kg.