Run the rule for every flight and train

L1

International flight into China

Use this rule
A power bank carried from abroad for the traveller's own use falls inside the narrow CCC entry exception in Article 41(3). Apply the departure airport and operating carrier's lithium-battery rule; cabin baggage and a clearly marked unit at or below 100Wh are the conservative transport default.
Boundary
The entry exception does not cover commercial import or resale, and it does not override a later mainland domestic-flight CCC gate, railway capacity rule, carrier limit, damage check or recall.
L2

Flight wholly inside mainland China

Use this rule
Cabin baggage only. At or below 100Wh needs no airline capacity approval, but the power bank must also show a clear CCC mark, have legible capacity information and not be in a recalled model or batch.
Boundary
Choose a unit at or below 100Wh. For a larger unit up to 160Wh, do not assume approval is available: obtain the actual operating carrier's current written ruling before planning to carry it. IATA's 31 March 2026 guidance says the approval provision will not continue into its 68th DGR, effective 1 January 2027; plan with a unit at or below 100Wh from that date. Over 160Wh is not permitted as passenger baggage.
L3

International or regional flight leaving China

Use this rule
Use cabin-only handling, the current capacity rule and the operating carrier's restrictions. Confirm the exact airport and carrier before departure.
Boundary
The CAAC CCC tightening says domestic flights. This page does not extend it to every international or regional departure. For travel on or after 1 January 2027, do not rely on the 2026 approval path for a power bank above 100Wh.
L4

Mainland high-speed or conventional train

Use this rule
Each power bank must have clear markings and a rated energy no higher than 100Wh.
Boundary
Rail has no airline-style 100–160Wh approval branch. The cited rail rule does not add CCC or recall. A lithium-battery electric wheelchair is expressly outside this power-bank ceiling, but that exception does not prove unlimited capacity, no packaging duty or no assistance request.

Use Wh, not the marketing mAh number alone

Wh = mAh × rated battery voltage ÷ 1,000. Use the battery's printed rated voltage, commonly but not universally 3.7V. Do not use the USB output voltage. This calculation is a pre-trip check; it does not replace legible markings on the device.

Printed inputsResultTrip decision
10,000mAh × 3.7V37WhBelow 100Wh; the other leg-specific label, CCC, recall and carrier checks still apply.
20,000mAh × 3.7V74WhBelow 100Wh; this is the most forgiving capacity class across the reviewed modes.
27,000mAh × 3.7V99.9WhOnly just below 100Wh. Use the printed rated energy and keep every marking legible.
30,000mAh × 3.7V111WhNot allowed on mainland rail. For flights, choose at or below 100Wh or obtain a current written operating-carrier ruling before planning to carry this 111Wh unit; acceptance is not assured. Do not rely on the 2026 approval provision for travel from 1 January 2027.

Buy for the strictest leg, not the first flight

01

Rated energy

Choose one unit at or below 100Wh. Prefer a model that prints Wh directly.

02

Capacity inputs

If Wh is absent, the body must clearly show mAh and the battery's rated voltage—not only 5V/9V USB output.

03

CCC mark

For a mainland domestic flight, require a clear CCC/3C mark on the product itself.

04

Model and batch

Keep the model identifiable and check current official recall notices before a domestic flight.

05

Condition

Do not travel with a swollen, leaking, damaged, overheated or recalled unit.

06

Trip legs

Write every flight and rail segment on one line. A unit that passes arrival may fail the next domestic flight.

07

Carrier confirmation

The ICAO addendum effective 27 March 2026 limits personal power banks to two per person. The Air China and China Eastern sources checked on 24 August 2026 published the same maximum; recheck the actual operating carrier, which may be stricter. A unit over 100Wh also needs a date-specific capacity ruling.

Cabin-only does not mean use it in the cabin

ICAO's addendum became effective on 27 March 2026; enforceability for a particular flight depends on state adoption and operating-carrier rules. It limits personal power banks to two per person, requires carry-on handling and short-circuit protection, prohibits recharging the power bank onboard and recommends not using it to recharge another device. The Air China and China Eastern sources checked on 24 August 2026 published two-unit, no-recharge and no-use controls; confirm the current instructions for your flight with the operating carrier.

The Air China notice checked on 24 August 2026 directed passengers to keep each unit under the seat in front or in the seat-back pocket rather than the overhead rack. Recheck its current storage instructions for your flight. Follow the actual operating carrier when its instructions are stricter. The ICAO aviation addendum is not a customs-entry rule and does not change the railway catalogue.

For rail, keep the capacity and marking rule separate from aviation. A power bank that is hot, swollen, leaking, damaged or behaving abnormally is a staff-notification problem, not a packing workaround. The electric-wheelchair exception is not permission to treat an ordinary power bank as wheelchair equipment.

Ten worked scenarios

A1
DEFAULT

One purchase for a domestic flight and train

Result
Choose one clearly marked unit at or below 100Wh with clear CCC and an identifiable non-recalled model. Carry it in the cabin and do not use it in flight.
A2
REVERSAL

37Wh unit without CCC

Result
Capacity alone is not enough for a mainland domestic flight. Replace or leave it before that flight. A clear-label unit at or below 100Wh can still fit the cited rail capacity rule.
A3
REVERSAL

111Wh unit with CCC

Result
Replace it with a unit at or below 100Wh for the mixed flight-and-rail trip: 111Wh fails the mainland rail ceiling. For a flight-only trip, obtain the operating airline's current written ruling before planning to carry it; do not assume approval is available. IATA's 2026 guidance says the approval provision will not continue into the DGR edition effective 1 January 2027.
A4
EDGE

International arrival followed by rail

Result
Use the Article 41(3) CCC entry exception only for a personally carried self-use unit, then apply the inbound carrier rule and the separate rail label-and-100Wh rule. Do not extend the exception to commercial import or resale.
A5
FAILURE

CCC or capacity marking is rubbed off

Result
Treat the unit as failing the domestic-flight check. A personal calculation or purchase receipt does not restore an unclear product marking at security.
A6
FAILURE

The model or batch is recalled

Result
Do not carry it on a mainland domestic flight even when capacity and CCC look correct. Follow the manufacturer's recall route.
A7
EDGE

The product lacks a new traceability QR code

Result
Do not treat the QR code alone as a passenger transport test. Current QR reforms concern certification traceability; the reviewed transport rules use capacity, markings, CCC where applicable and recall status.
A8
EDGE

The device states exactly 100Wh

Result
Exactly 100Wh remains inside the flight no-approval band and railway ceiling when every other condition passes. 100.1Wh does not. Allow extra time for label inspection.
A9
FAILURE

Domestic security rejects it near departure

Result
Protect the booked flight. Ask for the airport's current lawful disposition options; surrender the unit if that is the only flight-preserving path. Never move it into checked baggage.
A10
EDGE

Shanghai to London with no domestic segment

Result
Do not apply the domestic CCC notice automatically and do not promise exemption. Apply cabin, energy, condition and onboard-use rules, then verify the operating carrier and departure airport.

Six recovery cards

R1

Domestic-flight CCC or recall failure before the airport

First action
Stop planning to carry that unit and choose a clear-CCC, non-recalled replacement at or below 100Wh.
Alternative
Leave it with someone who lawfully accepts it; use the producer's remedy when recalled.
Stop / escalate
Never place it in checked baggage.
R2

A 100–160Wh unit meets a later train

First action
Replace it with a unit at or below 100Wh; the train reverses the whole-trip decision.
Alternative
If there is no train, choose at or below 100Wh or obtain the operating airline's current written ruling before airport arrival; do not assume approval is available.
Stop / escalate
Airport security cannot be promised to create carrier approval on the spot.
R3

Security rejects an unreadable or damaged unit

First action
Accept that the physical inspectability or condition gate failed and ask for current disposition choices.
Alternative
Use confirmed storage, handoff, seller return, recall remedy or surrender according to the facility and condition.
Stop / escalate
A screenshot or box does not have to override physical inspection.
R4

Departure is imminent

First action
Protect the booked journey and use the airport's lawful disposition option or surrender the unit.
Alternative
Use fixed charging if available and move tickets, hotel address and payment recovery to paper or a second device.
Stop / escalate
Do not hide the unit, check it or assume a defective lithium product can be mailed.
R5

Buy after arrival because a domestic flight remains

First action
Buy before airport day from a regular seller with time to inspect Wh, CCC, model, condition and recall status.
Alternative
Use fixed charging and reduce battery load until a verified replacement exists.
Stop / escalate
No clear Wh/parameters, CCC, exact model or receipt means do not buy it for this trip.
R6

A purchased unit later appears in a recall

First action
Stop using it and follow the producer's exact recall instructions.
Alternative
Return through the seller with receipt/model proof and use a different verified unit.
Stop / escalate
A visible CCC mark does not cancel a matching recall.

Eight 2026 claims to stop repeating

ClaimRulingWhy
Every power bank needs CCC to enter ChinaFalse for the narrow self-use entry caseArticle 41(3) exempts self-use items personally carried from abroad from CCC at entry. The exception does not cover commercial import or erase later transport rules.
Every high-speed train requires CCCUnsupportedThe railway catalogue says clear markings and no more than 100Wh per unit, not CCC.
A 120Wh unit works everywhere with approvalFalseFor a flight, obtain the operating carrier's current written ruling before planning to carry a unit above 100Wh; acceptance is not assured. The passenger-train ceiling remains 100Wh.
Every unit needs the new QR from March 2026FalseThe certification transition is staged and the QR is not a current transport gate.
GB 47372—2026 is already an airport ruleFalseThe product standard takes effect in 2027 and is not the August 2026 passenger rule.
CCC proves the model is not recalledFalseCAAC lists CCC and recall as separate gates.
A screenshot replaces a rubbed-off labelNot guaranteedAviation and rail require readable physical information.
If rejected, put it in checked baggageFalse and dangerousPower banks are prohibited from checked baggage.

Conditions to check for your actual journey

Match the printed Wh, CCC mark, model or batch and carrier rule for every actual leg. Use the recovery cards above if the unit is rejected.

1

Your exact international flight: acceptance of a non-CCC personal-use unit is not established here for every airport or carrier. Confirm with the operating carrier before packing it; a later mainland domestic flight still has its separate CCC and recall rules.

2

Your carried quantity and purpose: the personal-use import exception does not decide a commercial-import or resale case. If your circumstances are unclear, declare and ask Customs; do not infer clearance from one small-device example.

3

A domestic connection remains a domestic leg even when your tickets connect or you stay inside the controlled area. Do not assume that a through-ticket removes its power-bank restriction.

4

For any capacity that requires carrier permission under the applicable rules, ask the actual operating carrier, including codeshares, for its current limit, approval path and proof. Approval on one leg does not approve another; if you cannot confirm, leave that unit out and use a compliant lower-capacity option.

5

Physical markings and condition: acceptance of database screenshots instead of worn Wh or CCC labels is unverified. Do not rely on a box, QR code or online listing to override inspection of the actual unit; ask staff once and use the lawful disposition option if rejected.

6

Your railway station’s inspection: treatment of foreign units is not guaranteed at every station. Follow the national clear-marking and capacity rule, stop using recalled units, and ask station staff if a device is challenged.

7

Storage, replacement and return: airport storage hours, fees, retrieval, English support and replacement stock have not been confirmed for your departure. Protect the booked journey; do not make a rejected-device recovery depend on an unconfirmed shop or courier, especially for a recalled or defective lithium unit.

8

Time and policy changes: no inspection-time guarantee is available, including for a unit marked exactly 100Wh. Allow time for questions and recheck the operating carrier’s current implementation and travel-date rules, particularly when 2027 changes become effective.

DO THIS NOW

Photograph the device, then write every travel leg

Photograph both faces so Wh, mAh, rated voltage, CCC, model and batch remain readable. List every international flight, mainland domestic flight and train. Apply the strictest result before leaving home and recheck the model against official recall notices.

Common questions

Does every power bank entering China need a CCC or 3C mark?

No. Article 41(3) of the Compulsory Product Certification rules exempts self-use items personally carried from abroad at entry. That narrow exception does not cover commercial import or resale and does not override a later mainland domestic-flight CCC requirement, airline rule or railway capacity limit.

Can I take a 20,000mAh power bank on a China train?

mAh alone is not the legal comparison. At a common 3.7V rated battery voltage, 20,000mAh equals 74Wh and is below the railway's 100Wh ceiling. The device must still have clear markings; use its printed rated voltage and energy.

Can an airline approve a power bank over 100Wh?

Do not assume approval is available for a power bank above 100Wh. Choose a unit at or below 100Wh, or obtain the actual operating carrier's current written ruling before planning to carry a larger unit up to 160Wh; acceptance is not assured. IATA's 2026 guidance says the approval provision will not continue into its DGR edition effective 1 January 2027. China rail has no equivalent approval branch and retains its 100Wh ceiling.

Does a power bank need a new QR code to pass airport security?

The reviewed certification QR reforms concern manufacturing and certification traceability. The transport sources do not establish the QR code itself as a passenger screening requirement. Do not replace the actual capacity, CCC, recall and carrier checks with a QR-only test.

Sources and review boundary

ICAO and IATA guidance checked 6 September 2026; the other linked rules and carrier notices retain their 24 August 2026 check date. IATA's 31 March 2026 guidance describes an approval provision for power banks above 100Wh and up to 160Wh, while its passenger table marks that tier forbidden without a separate 2027 label. Do not assume a universal approval path: use at or below 100Wh, or obtain the actual operating carrier's current written ruling for a larger unit. The same guidance says the approval provision will not continue into the DGR edition effective 1 January 2027; this is its published transition statement, not confirmation of every carrier's future rules.

Airline, airport and recall instructions can change; use the operating carrier and exact model for the final check. The linked Shenzhen Airport item is a 2025 service example whose live fetch timed out on 24 August 2026, so it is not a current or nationwide storage or mailing promise.

Power-bank addendum effective 27 March 2026International Civil Aviation Organization ↗2026 operator guidance and 2027 DGR boundaryInternational Air Transport Association ↗Domestic-flight power-bank CCC and recall noticeCivil Aviation Administration of China ↗Power-bank capacity and airline-approval ruleCivil Aviation Administration of China ↗Restricted items catalogue for railway passengersNational Railway Administration and Ministry of Public Security ↗Current onboard storage and use noticeAir China ↗Lithium battery transport rulesChina Eastern Airlines ↗CCC traceability mark pilot reformCertification and Accreditation Administration ↗GB 47372—2026 effective-date recordState Administration for Market Regulation and Standardization Administration ↗Compulsory Product Certification rules — Article 41(3) self-use entry exceptionState Administration for Market Regulation ↗Power banks added to the CCC catalogueState Administration for Market Regulation ↗Defective-product recall queryState Administration for Market Regulation ↗Airport-specific rejected-device servicesShenzhen Airport ↗