Spare batteries must be individually protected to prevent short circuits & carried in carry on baggage only. In addition, each spare battery must not exceed the following quantities:
- Lithium metal or lithium alloy batteries, lithium content of not more than 2g
- Lithium ion batteries, as aggregate equivalent lithium content of no more than 8g
Lithium ion batteries with an aggregate equivalent lithium content of more than 8g and no more than 25gmay be carried in carry on baggage if they are individually protected so as to prevent short circuits and are limited to two spare batteries per person.
Spot the guy who just renewed his Dangerous Goods Certificate