Can I bring 20000 mAh 3.7 V power bank on CA from CN to US?

持ち込み不可. このフライトでは持ち込み不可。

旅程CNUSCA

判定vdt_01KTBJ63QS2ADAXGWC6V5JP7KV

持ち込み不可

74.0Wh

このフライトでは持ち込み不可。

適用された航空会社ポリシー

Air China CA

信頼度

公式ソース

Air China is covered by CertiWatt baseline lithium battery rules with active airline/regulator citations.

確認: 2026-05-16

主な制約

数量: No airline-specific quantity limit is active in the current ruleset.
ワット時制限: Baseline model: up to 100 Wh normally allowed; over 160 Wh banned on passenger aircraft.
機内持込: Allowed when the device stays within capacity, quantity, certification, and recall rules.
受託手荷物: Power banks and spare lithium batteries are not modeled as allowed in checked baggage.

条件

発行2026-06-05 · ruleset 2026-05-15

規制当局CAACCN
“Power banks without 3C marking, or with unclear 3C marking, are prohibited on flights departing from mainland China.”
caac.gov.cn2026-04-29
航空会社Air China
“Power banks must bear 3C certification marking.”
airchina.com.cn2026-05-04
規制当局IATA passenger guidance
“Power bank: ≤100 Wh carry-on permitted; >100 Wh but ≤160 Wh forbidden; >160 Wh must be carried as cargo.”
iata.org2026-05-15

情報提供のみです。最終判断は航空会社と保安要員に委ねられます。そう判断した理由.