Is the Xiaomi Mi Power Bank 3 Pro (20000) allowed on Japan Airlines flights from Singapore?
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
1
Source integrity release gate
passed
Verdictvdt_PKK7648VCWVAHP2H8TZF3ZXDSM
Allowed
74.0WhXiaomi Mi Power Bank 3 Pro (20000)
3C
Allowed in carry-on. Final decision rests with airline and security staff.
Airline policy applied
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.
checked: 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.
CertiWatt evaluates the product capacity, departure jurisdiction, operating carrier, published dangerous-goods policy, and active recall evidence before returning a verdict.
Decision inputs checked
Capacity evidence
74.0 Wh · 20000 mAh · 3.7 V
manufacturer stated
Route jurisdiction
Singapore → Japan
SG departure overlay checked
Airline policy
Japan Airlines (JL)
www.jal.co.jp/jp/en/inter/baggage/limit/
Recall intelligence
No active model-specific recall matched this verdict.
status: not_affected
Citation freshness
1 source checked
Latest source update: May 15, 2026
Capacity math for this model
Recorded calculation
20,000 mAh × 3.7 V ÷ 1000 = 74.0 Wh
Threshold comparison
This is 26.0 Wh below the ordinary 100 Wh passenger power-bank limit.
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 74.0 Wh and 20000 mAh, so the capacity check is tied to this exact catalog model.
Singapore 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
74.0 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.