Is the Momax 1-Power Ultra+ Power Bank 70W 20000mAh allowed on Emirates flights from Hong Kong SAR?
Short answer: Allowed. Below is the citation-backed reasoning, the specific conditions if any, and what to do at security.
Ruleset age warning: This ruleset is 33 days old. Battery rules can change quickly; re-check close to departure before treating this verdict as current.
Last reviewed
May 15, 2026
Ruleset
2026-05-15
Sources checked
4
Verdict source gate
passed
Verdictvdt_XDWG0Z4CF009CYCQ4TA1C374CH
Allowed
73.00WhMomax 1-Power Ultra+ Power Bank 70W 20000mAh
Allowed in carry-on. Final decision rests with airline and security staff.
Operating carrier policy context
Emirates EK
Confidence
Airline official
Emirates permits one power bank onboard under specific conditions; power banks are not allowed in checked luggage and may not be used or charged from aircraft power onboard.
Source tier: officialchecked: 2026-05-31
Key constraints
Quantity
Maximum 1 power bank per passenger in the current policy record.
Watt-hour limit
Power banks must stay within the published Emirates/baseline lithium-battery capacity conditions.
Carry-on
Allowed under Emirates' published power-bank conditions and baseline battery rules.
“Mandarin Airlines' official March 31, 2026 notice says each passenger may carry up to two power banks, power banks may not be used throughout the flight, and power banks may not be charged during the flight.”
“IATA passenger lithium-battery guidance supplies the carry-on-only handling, 100 Wh / 160 Wh approval bands, checked-baggage exclusion, and short-circuit-protection baseline used for Mandarin Airlines until those details are published in direct Mandarin text.”
Global source-monitor health is tracked on the compliance page; this verdict page only shows the citations actually used for this answer.
Citation freshness: The weakest source freshness is 33 days old against a 30-day regulator SLA; re-check close to departure before relying on this verdict.
Why this verdict
CertiWatt evaluates the product capacity, departure jurisdiction, operating carrier, published dangerous-goods policy, and active recall evidence before returning a verdict.
Decisive rule
Allowed in carry-on. Final decision rests with airline and security staff.
No active model-specific recall matched this verdict.
status: not_affected
Citation freshness
4 sources checked
Oldest cited source: May 15, 2026
Capacity evidence for this model
Auxiliary calculation
73.00 Wh · Manufacturer-stated Wh
Threshold comparison
27.00 Wh below the passenger power-bank 100 Wh limit. The printed Wh label still takes precedence over mAh estimates.
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.
Momax 1-Power Ultra+ Power Bank 70W 20000mAh is recorded at 73.00 Wh and 20000 mAh, so the capacity check is tied to this exact catalog model.
Hong Kong SAR is evaluated as the departure jurisdiction for country-specific power-bank overlays.
Emirates (EK) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
Momax 1-Power Ultra+ Power Bank 70W 20000mAh 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
ek.policy.2026.max-1-power-bank
ek.policy.2026.no-onboard-use-charging
ae.policy.2026.mandarin-power-bank-quantity-use
iata.passenger-guidance.power-bank-threshold.2026
About the Momax 1-Power Ultra+ Power Bank 70W 20000mAh
Capacity
20000 mAh
Watt-hours
73.00 Wh
Voltage
14.6 V
Certifications
CE, FCC, RoHS
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 Emirates
Emirates (EK) is a UAE-based carrier. Their dangerous-goods policy is published at www.emirates.com/us/english/before-you-fly/travel/… This carrier publishes a power-bank quantity rule; verify the operating airline instead of treating two units as a universal ICAO/IATA cap.
Verify your specific power bank
The verdict above is for the standard Momax 1-Power Ultra+ Power Bank 70W 20000mAh. 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.
All public source records used by CertiWatt are listed in the source registry. Sources.
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.