Is the Anker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled) allowed on Delta Air Lines flights from South Korea?
Short answer: Allowed. Below is the citation-backed reasoning, the specific conditions if any, and what to do at security.
Last reviewed
May 15, 2026
Ruleset
2026-05-15
Sources checked
3
Source integrity release gate
passed
Verdictvdt_01KSVQ2Q7DJD841FANCT496V2T
Allowed
74.0WhAnker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled)
Allowed in carry-on. Final decision rests with airline and security staff.
Conditions
01
Do not charge using the seat USB port.
02
Maximum 5 power banks per passenger.
03
Carry-on only — never in checked baggage.
04
Power bank must not be stored in the overhead bin. Keep it in your seat pocket, on your person, or under the seat.
Notes
Anker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled) has an active recall — provide the serial number to check if your unit is affected.
Issued2026-05-30 · ruleset 2026-05-15
Sources ·3
[01]
RegulatorMOLIT / Korea Policy BriefingKR
“South Korean carriers shall ban overhead-bin storage of portable battery banks effective 1 March 2025.”
CertiWatt evaluates the product capacity, departure jurisdiction, operating carrier, published dangerous-goods policy, and active recall evidence before returning a verdict.
Route-specific signals
These page-specific checks make this verdict about this model, this departure country, and this airline, not a generic power-bank answer.
Anker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled) is recorded at 74.0 Wh and 20000 mAh, so the capacity check is tied to this exact catalog model.
South Korea and Korean-carrier contexts can trigger storage or in-flight charging handling rules in addition to Wh limits.
Delta Air Lines (DL) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
Anker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled) has recall-linked evidence in the catalog, so recall status is part of this trip verdict.
Allowed in carry-on. Final decision rests with airline and security staff.
Rules applied
kr.molit.2025-03.no-overhead-bin
kr.molit.2025-03.max-5-units
iata.passenger-guidance.power-bank-threshold.2026
About the Anker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled)
Capacity
20000 mAh
Watt-hours
74.0 Wh
Voltage
3.7 V
Certifications
Recall status
⚠ Active recall — see verdict above
What to prepare before security
Keep the power bank in cabin baggage only, never checked baggage.
Make sure the Wh or mAh label is readable, or keep the manufacturer specification page available.
Use the linked citations below if staff ask why the device was flagged.
The verdict above is for the standard Anker Power Bank 20000mAh 22.5W Built-In USB-C Cable (Model A1647, recalled). If your unit has a different serial number range — especially for recalled models — verify directly:
Informational only. Final decision rests with airline and security staff. Why we said this.
Common questions for this exact trip
Is this a guarantee at the airport?
No. This is an informational verdict based on published sources. Airline and security staff retain final authority.
Why can the same power bank get different answers by country or airline?
Power-bank rules combine global battery limits with country overlays, airline policies, storage rules, and recall notices.
When should I re-check this route?
Re-check close to departure, especially when the trip involves China, Thailand, Korea, a recalled model, or a battery near a capacity limit.