International Airline Power Bank Limits
Most international airlines follow the same IATA standard — but Chinese carriers (Air China, China Eastern) are stricter.
Standard IATA rule (most airlines)
- Under 100 Wh — unlimited in carry-on
- 100–160 Wh — max 2 in carry-on, airline approval required
- Over 160 Wh — prohibited on all flights
- All capacities — banned from checked bags
Chinese carriers (stricter — CAAC rules)
Air China, China Eastern, and China Southern require prior written airline approval for any power bank over 100 Wh. Practically: stick to under 100 Wh (~20,000 mAh) for travel to, from, or within China.
Related: TSA power bank rules · Power Bank Checker · Full power bank guide