Yes, spare or loose dry-cell [e.g. AAA, AA, C Cell, D Cell and 9-Volt] and nickel-metal hydride batteries can go in your carry-on bag, but not checked luggage.
Note: The restrictions on this page come into effect from 1 January 2021.
The restrictions that apply to dry-cell and nickel-metal hydride batteries:
Not sure if you can take it? Contact your airline and check with them.
Batteries can overheat and catch fire.
You will be asked to relinquish all dangerous or prohibited items found in your carry-on luggage. If you refuse:
We x-ray bags going on planes to make sure there is nothing dangerous in them. If something comes up on the x-ray that needs checking, the bag will be opened, searched and any dangerous or prohibited item will be removed.