Cells and/or batteries must be completely enclosed in inner packaging then placed in a strong rigid outer packaging; or must be completely enclosed in inner packaging then placed with equipment in a strong rigid outer packaging. The equipment must be secured against any movement within the outer packaging and must be equipped with an effective means of preventing accidental activation.
Maximum number of batteries/cells per package = those necessary to power the equipment plus 2 spares sets. (A set of cells or batteries is the number of individual cells or batteries that are required to power each piece of equipment)
Each package must be capable of withstanding a 1.2 m drop test in any orientation without;

• Damage to cells or batteries contained therein;
  
• Shifting of the contents so as to allow battery to battery (or cell to cell) contact;
  
• Release of contents

Passenger aircraft:
Max. net quantity per package: 5 kg.
Cargo aircraft:
Max. net quantity per package: 5 kg.

“The maximum net quantity” is the weight of the batteries/cells inside of 1 package excluding the equipment.