Verifier
CertiWattWh

Is the INIU B64 140W Fast Charging Power Bank 27000mAh allowed on Japan Airlines flights from Thailand?

Short answer: Banned. 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
2
Source integrity release gate
passed
Verdictvdt_01KSTGCBQ3P3RN1TWR6G1TBHBN

Banned

99.9WhINIU B64 140W Fast Charging Power Bank 27000mAh

Not permitted on this flight.

Conditions
  • Carry-on only — never in checked baggage.

Issued2026-05-29 · ruleset 2026-05-15

Sources · 2

  1. RegulatorAirports of Thailand / CAAT cited guidance

    Power banks exceeding 20 000 mAh shall not be carried on passenger flights.

  2. RegulatorIATA passenger guidance

    Power bank: ≤100 Wh carry-on permitted; >100 Wh but ≤160 Wh forbidden; >160 Wh must be carried as cargo.

    iata.org2026-05-15

Provenance audit trail

The rule path, citation freshness, and source-integrity checks behind this exact verdict.

release gate: passed
Verdict ID
vdt_01KSTGCBQ3P3RN1TWR6G1TBHBN
Ruleset
2026-05-15
Last ingested
2026-05-19 08:57:52Z
Expires
2026-06-12 18:36:40Z

Applied rules

  • th.caat.mah-cap-20000
    THcapacity_thresholdprecedence 75active
  • iata.passenger-guidance.power-bank-threshold.2026
    internationalcapacity_thresholdprecedence 30active

Citation audit

Source integrity

green 17amber 2red 0total 19

Why this verdict

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.

  • INIU B64 140W Fast Charging Power Bank 27000mAh is recorded at 99.9 Wh and 27000 mAh, so the capacity check is tied to this exact catalog model.
  • Thailand departures can trigger Thailand's 20,000 mAh capacity overlay in addition to Wh limits.
  • Japan Airlines (JL) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
  • INIU B64 140W Fast Charging Power Bank 27000mAh has no active recall link in this catalog record, so the verdict is driven by capacity, route, airline, label, and rule evidence.

Not permitted on this flight.

Rules applied
  • th.caat.mah-cap-20000
  • iata.passenger-guidance.power-bank-threshold.2026

About the INIU B64 140W Fast Charging Power Bank 27000mAh

Capacity
27000 mAh
Watt-hours
99.9 Wh
Voltage
3.7 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.

How to handle this verdict at airport security

For Conditional or Banned results, prepare evidence before you reach screening and keep the conversation factual.

  1. 1

    Prepare battery documents

    Have a readable Wh label or clear mAh/voltage label, any required 3C certificate or 3C mark for China-related screening, and the manufacturer specification or proof page saved offline.

  2. 2

    Explain it clearly at screening

    Say that the item is a lithium-ion power bank for cabin baggage only, show the Wh rating and manufacturer evidence, and point to the relevant airline or regulator citation if staff ask.

  3. 3

    If it is refused, escalate safely

    Ask for the specific reason, request airline or security supervisor review if available, and be ready to leave the device behind, ship it separately where legal, or use a compliant replacement. Do not move a rejected power bank into checked baggage.

About Japan Airlines

Japan Airlines (JL) is a Japan-based carrier. Their dangerous-goods policy is published at www.jal.co.jp/inter/baggage/dangerous-goods/

Verify your specific power bank

The verdict above is for the standard INIU B64 140W Fast Charging Power Bank 27000mAh. 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.

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