Delta is tracked from its official prohibited/restricted-items page; US departures also apply TSA/FAA carry-on-only handling for spare lithium batteries and power banks.
確認: 2026-05-31
主な制約
数量
Delta's published battery guidance is modeled through baseline spare-battery limits; no separate power-bank-only quantity rule is active.
ワット時制限
Power banks: plan around the 2026 passenger-facing 100 Wh limit. Generic 100-160 Wh lithium-battery approval language is not shown as a power-bank allowance unless the airline source explicitly says so.
機内持込
Allowed when within capacity, label, and recall rules.
受託手荷物
Not allowed for spare lithium batteries and power banks.
Xiaomi Mi Power Bank 3 Pro (20000) is recorded at 74.0 Wh and 20000 mAh, so the capacity check is tied to this exact catalog model.
United States is evaluated as the departure jurisdiction for country-specific power-bank overlays.
Delta Air Lines (DL) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
Xiaomi Mi Power Bank 3 Pro (20000) has no active recall link in this catalog record, so the verdict is driven by capacity, route, airline, label, and rule evidence.