
Yes, you can take wireless smart glasses charging cases in your carry-on luggage. They must not go in check-in luggage under any circumstances.
The charging case is a form of power bank.
Some types of batteries present a risk of them exploding and catching fire. Power banks present a significant risk, particularly when they are used to recharge other devices.
Some airlines, including Air New Zealand, specify in their conditions of carriage that you can only travel with your wireless charging cases in carry-on and not check-in luggage. Please refer to their website: Travelling with batteries, battery-powered devices and power banks(external link)
For more information on the risks associated with power banks and other lithium batteries please read the article Lithium batteries - the good, the bad, and the ugly [PDF 259 KB].
You will be asked to relinquish all dangerous or prohibited items found in your carry-on luggage. If you refuse:
AvSec X-ray bags going onto aircraft to ensure there is nothing dangerous in them.
For more information, see Retrieving your removed items.