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 Prime Power Bank (20K, 220W) is recorded at 72.4 Wh and 20100 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.
Singapore Airlines (SQ) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
Anker Prime Power Bank (20K, 220W) has no active recall link in this catalog record, so the verdict is driven by capacity, route, airline, label, and rule evidence.
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
sq.policy.2026.max-2-banks
sq.policy.2026.no-inflight-charging
iata.passenger-guidance.power-bank-threshold.2026
About the Anker Prime Power Bank (20K, 220W)
Capacity
20100 mAh
Watt-hours
72.4 Wh
Voltage
3.6 V
Certifications
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.
About Singapore Airlines
Singapore Airlines (SQ) is a Singapore-based carrier. Their dangerous-goods policy is published at www.singaporeair.com/en_UK/nl/corporate/newsroom/n… This carrier is a signatory to the April 2026 two-power-bank limit.
Verify your specific power bank
The verdict above is for the standard Anker Prime Power Bank (20K, 220W). 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.