CUKTECH CUKTECH 30 Power Bank 40000mAh 300W is recorded at 144.0 Wh and 40000 mAh, so the capacity check is tied to this exact catalog model.
Japan is evaluated as the departure jurisdiction for country-specific power-bank overlays.
Air China (CA) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
CUKTECH CUKTECH 30 Power Bank 40000mAh 300W has no active recall link in this catalog record, so the verdict is driven by capacity, route, airline, label, and rule evidence.