Is the Kopplen Super Thin Laptop Power Bank 20,000mAh | Dual USB-C - PBK-PD36BLK allowed on Japan Airlines flights from Thailand?
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 32 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
3
Verdict source gate
passed
Verdictvdt_6CWAR28WAANR0QS0JVHNF5M3BR
Allowed
74.00WhKopplen Super Thin Laptop Power Bank 20,000mAh | Dual USB-C - PBK-PD36BLK
Allowed in carry-on — confirm the printed Wh label.
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 44 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 — confirm the printed Wh label.
No active model-specific recall matched this verdict.
status: not_affected
Citation freshness
3 sources checked
Oldest cited source: May 3, 2026
Capacity evidence for this model
Auxiliary calculation
20,000 mAh × 3.7 V ÷ 1000 = 74.00 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.
Kopplen Super Thin Laptop Power Bank 20,000mAh | Dual USB-C - PBK-PD36BLK is recorded at 74.00 Wh and 20000 mAh, so the capacity check is tied to this exact catalog model.
Thailand departures use Wh-based passenger battery bands; mAh labels are treated as supporting capacity evidence.
Japan Airlines (JL) is evaluated as the operating carrier, with its published dangerous-goods policy included in the citation set.
Kopplen Super Thin Laptop Power Bank 20,000mAh | Dual USB-C - PBK-PD36BLK 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 — confirm the printed Wh label.
Rules applied
th.caat.wh-threshold-passenger-guidance
iata.passenger-guidance.power-bank-threshold.2026
About the Kopplen Super Thin Laptop Power Bank 20,000mAh | Dual USB-C - PBK-PD36BLK
Capacity
20000 mAh
Watt-hours
74.00 Wh
Voltage
3.7 V
Certifications
UN38.3
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 Kopplen Super Thin Laptop Power Bank 20,000mAh | Dual USB-C - PBK-PD36BLK. 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.