Is the Xiaomi Mi Power Bank 3 Pro (20000) allowed on Vietnam Airlines flights from Japan?
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_8N85VKDFP4FB9VVRPF38WQZ36R
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
Vietnam Airlines VN
Confidence
Airline official
Vietnam Airlines is tracked from its official restricted-baggage page, which states that removable lithium battery devices and power banks are accepted only in carry-on baggage and not in checked baggage.
checked: 2026-06-12
Key constraints
Quantity
No airline-specific quantity limit was extracted from the readable page text; apply active route and baseline rules.
Watt-hour limit
No airline-specific Wh bands were extracted from the readable page text; apply active route and baseline rules.
Carry-on
Carry-on only.
Checked baggage
Not permitted for removable lithium battery devices and power banks.
Do not use the power bank to charge devices onboard.
08
Power bank must NOT be in checked baggage. Carry-on only.
09
Power bank must NOT be in checked baggage. Carry-on only.
Notes
Recall coverage for this brand/model is not complete in CertiWatt; check the manufacturer and regulator recall pages before travel.
Issued2026-06-13 · ruleset 2026-05-15
Sources ·3
[01]
RegulatorMLIT / JCABJP
“From April 24, 2026, MLIT tells passengers not to put power banks in checked baggage, to carry them on board, keep them to 160 Wh or less, protect each power bank against short circuits, avoid overhead compartments, carry up to two per passenger, and not charge or use power banks during flight.”
“Vietnam Airlines restricted-baggage guidance states removable lithium battery devices and power banks are accepted only in carry-on baggage and not in checked baggage.”
CertiWatt evaluates the product capacity, departure jurisdiction, operating carrier, published dangerous-goods policy, and active recall evidence before returning a verdict.
No active model-specific recall matched this verdict.
status: not_affected
Citation freshness
3 sources checked
Latest source update: Jun 12, 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.
Japan is evaluated as the departure jurisdiction for country-specific power-bank overlays.
Vietnam Airlines (VN) 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.
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.