I presume this is the largest PowerBank I can buy:
https://www.airnewzealand.co.nz/dangerous-goods
"... not exceeding 12 Volt and 100 Watt hour (Wh) power rating.." and this is the same worldwide? I want to fly with it.
and the 26800 is Capacity :26800 mAh / 96.48 Wh
https://www.anker.com/products/A1374011
Where can I get one in NZ if possible?