Is the Xiaomi Mi Power Bank 3 Pro (20000) allowed on Japan Airlines 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 31 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
2
Verdict source gate
passed
Verdictvdt_SV53G7W34WVAHP2H9MFRV5WM75
Allowed
74.00WhXiaomi Mi Power Bank 3 Pro (20000)
3C
Allowed in carry-on. Final decision rests with airline and security staff.
Operating carrier policy context
Japan Airlines JL
Confidence
Airline official
Japan Airlines is tracked from its official restricted-items page, which says portable chargers/power banks cannot be checked and should stay monitorable in the cabin.
Source tier: officialchecked: 2026-05-31
Key constraints
Quantity
No JAL-specific power-bank quantity rule is active in the current ruleset.
Watt-hour limit
Baseline model: up to 100 Wh normally allowed; over 160 Wh banned on passenger aircraft.
Carry-on
Allowed when within capacity, quantity, label, and recall rules.
Checked baggage
Power banks and spare lithium batteries are not modeled as allowed in checked baggage.
“Japan Airlines is tracked from its official restricted-items page, which says portable chargers/power banks cannot be checked and should stay monitorable in the cabin.”
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 31 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
2 sources checked
Oldest cited source: May 15, 2026
Capacity evidence for this model
Auxiliary calculation
74.00 Wh · Manufacturer-stated Wh
Threshold comparison
26.00 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.
Xiaomi Mi Power Bank 3 Pro (20000) is recorded at 74.00 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.
Japan Airlines (JL) 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.
Allowed in carry-on. Final decision rests with airline and security staff.
Rules applied
iata.passenger-guidance.power-bank-threshold.2026
About the Xiaomi Mi Power Bank 3 Pro (20000)
Capacity
20000 mAh
Watt-hours
74.00 Wh
Voltage
3.7 V
Certifications
UN38.3, 3C, IEC 62133
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 Xiaomi Mi Power Bank 3 Pro (20000). 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.