How Should Importers Handle Power Bank Warranty Claims? Failure Analysis, Traceability and Corrective Action Checklist
Record every power bank warranty claim by its exact SKU and production lot.. Screen for safety risk before checking warranty coverage, and hold any stock that could be affected. Preserve the returned unit and production records, identify both the failure mechanism and the process gap, agree corrective action with the supplier, then check later lots for recurrence. A refund or replacement may finish the customer-service case. It does not finish the quality or product-safety work.
Each claim file should answer five questions. What failed? Which other units may share the condition? Could anyone be harmed? Why did the failure occur and escape detection? What proves that the fix works? If those answers are missing, an importer can keep replacing units while the same cell, PCBA, connector, firmware or assembly fault moves into the next order.
The workflow below is written for importers, private-label brands, distributors and sourcing teams that handle failures after delivery. It includes investigation tables, an 8D/CAPA checklist and a claim form that can be copied into an internal procedure. Treat it as an operating framework, not legal advice. Reporting, recall, consumer-remedy and transport duties still need to be checked for the market and incident.
What is a power bank warranty claim?
A power bank warranty claim records an allegation that a sold product failed to meet an agreed requirement for performance, workmanship, durability or safety during the applicable claim period. The report may come from a consumer or retailer, but it may also arrive through a distributor, marketplace, service centre, insurer or market-surveillance authority.
Not every claim has the same consequence. A unit that will not charge may be a service issue, a misuse case, a compatibility problem or evidence of a repeat production defect. A unit reported as swollen, smoking, burning, leaking, unusually hot or causing injury must enter a product-safety escalation path before anyone debates warranty eligibility.
| Case type | Typical examples | First response | Who should own it |
|---|---|---|---|
| Service or compatibility question | Incorrect port, unsuitable cable, low-current device not detected | Confirm instructions, accessories and operating conditions | Customer service with quality visibility |
| Performance claim | Low usable energy, slow charging, intermittent output | Identify SKU and lot; preserve test conditions and evidence | Quality team |
| Workmanship or durability claim | Loose port, broken built-in cable, separated housing, failed button | Check frequency and affected production window | Quality and supplier engineering |
| Potential safety incident | Swelling, venting, smoke, fire, burn, electric shock or property damage | Advise safe discontinuation of use; escalate immediately; preserve evidence | Product-safety lead and management |
| Possible market action | Repeated hazardous failure or non-compliance affecting distributed units | Contain stock, assess risk and obtain market-specific regulatory advice | Importer or responsible economic operator |
Warranty coverage, defect confirmation and product-safety reporting are separate decisions. A product outside the commercial warranty can still present a reportable safety risk. Likewise, approving a goodwill refund does not prove that the product was defective.
A practical power bank warranty claim workflow
| Step | Required action | Minimum output |
|---|---|---|
| 1. Register | Create one claim ID and capture product, customer and incident data | Complete intake record |
| 2. Triage | Separate routine service cases from potential safety incidents | Risk level and escalation owner |
| 3. Contain | Hold relevant stock and stop shipment or sale when justified | Documented containment scope |
| 4. Trace | Map the unit to order, factory, date, component lots and distribution | Affected-unit population |
| 5. Preserve | Secure photos, logs, samples and chain of custody | Evidence package and safe return plan |
| 6. Investigate | Verify the symptom and analyse the unit, records and comparison samples | Confirmed failure mode |
| 7. Correct | Identify occurrence, escape and system causes; implement CAPA | Owned action plan with dates |
| 8. Decide | Select consumer remedy, supplier disposition and any market action | Approved case decision |
| 9. Verify | Check later lots and claim data for recurrence before closure | Effectiveness evidence |
Some steps run in parallel. If a report suggests a safety risk, containment and any required notification should begin before the laboratory finishes its root-cause work. Control the immediate risk first. The technical investigation can continue while that happens.
1. Register every claim in one controlled system
Give each complaint a unique claim ID even when customer service resolves it during the first call. Claims scattered across marketplace chats, distributor spreadsheets and private messages cannot reveal a pattern. Use one register or synchronised system with common product and failure codes.
- Claim ID, date received, channel and case owner
- Brand, exact model, SKU, capacity, colour and market version
- Serial number, lot code, date code and label photographs
- Order number, invoice date, seller and country of sale
- Customer’s description in their own words
- Date and circumstances of the event
- Phone, charger, cable, port and charging mode being used
- Photos or video of the product, label, ports, cable and surroundings
- Whether there was swelling, unusual heat, odour, venting, smoke or flame
- Any injury, medical attention, property damage or emergency response
- Current location and condition of the product
- Refund, replacement or other service action already taken
Do not make the customer perform risky tests. If a unit is swollen, hot, leaking, hissing, smoking, burnt or physically damaged, do not ask the customer to recharge it, open it, puncture it, discharge it fully or reproduce the event. Give instructions approved for the market and situation, and involve local emergency services when there is an immediate fire or injury risk.
2. Triage safety signals before checking warranty eligibility
Use a written escalation matrix. Customer-service staff should know which words or images trigger immediate review by the product-safety or quality lead. A simple colour code can support routing, but the definitions and actions matter more than the colour.
| Initial level | Example signal | Immediate action |
|---|---|---|
| Critical | Fire, smoke, venting, explosion, burn, electric shock, serious injury or major property damage | Escalate immediately; preserve evidence; assess notification and market action without waiting for normal claim review |
| High | Swollen cell or housing, abnormal heat, melting, strong chemical odour, repeated short circuit or scorched connector | Stop-use guidance; do not request normal return shipping; identify lot and begin containment assessment |
| Medium | Intermittent output, rapid self-discharge, housing opening, loose cable or connector without reported heat or injury | Record evidence, trace lot and prioritise technical review |
| Routine | Cosmetic issue, compatibility question or isolated non-hazardous performance complaint | Handle under standard warranty process while retaining trend data |
The initial level is provisional. A routine-looking case may be upgraded when multiple units from the same lot show the same failure, while investigation may show that an apparent product failure came from an unrelated accessory or external damage. Record who changed the classification, when and why.
Regulatory reporting thresholds and deadlines vary. In the United States, manufacturers, importers, distributors and retailers may have a duty to report certain defect, non-compliance and serious-risk information to the CPSC. In the EU, economic operators have duties concerning dangerous products, corrective action, consumer information and notification through the Safety Business Gateway. Do not postpone jurisdiction-specific advice until the factory confirms a root cause.
3. Contain potentially affected inventory
A containment hold limits exposure while the team establishes the facts. Holding a lot does not mean every unit is defective. Start with a scope wide enough to cover the credible risk, then expand or narrow it as traceability and test results improve.
- Place suspect warehouse and fulfilment-centre inventory on system and physical hold
- Stop shipment, listing or sale when the initial risk justifies it
- Ask distributors to identify on-hand, sold and in-transit quantities
- Separate returned units from saleable products and ordinary electronic waste
- Preserve unopened samples from the suspect lot for comparison testing
- Freeze relevant production and test records so they are not overwritten
- Ask the supplier to contain matching components and work in progress
- Record exact quantities, locations, dates, responsible people and release authority
Do not release held stock because a few samples pass a basic charge test. The release plan should address the suspected failure mechanism, sampling rationale, test sensitivity and consequences of a missed defect. Safety-critical cases may require independent laboratory or specialist review.
4. Trace the failed unit to an affected population
Traceability must show which other units could share the same cell, component, process, software or handling condition. Finding the purchase order is only the start. One sellable SKU may cover several production dates and component lots, while a single component lot may have been used across several SKUs.
| Traceability layer | Questions to answer | Useful records |
|---|---|---|
| Finished product | Which SKU, serial range, date code and market version? | Product label, packing record, sales database |
| Order and production | Which PO, factory, line, shift, date and quantity? | Work order, daily output and carton records |
| Battery cell | Which maker, exact model, incoming lot and storage age? | Cell label, incoming inspection and warehouse issue record |
| Electronics | Which PCBA, controller, MOSFET, connector and firmware revisions? | BOM, PCBA lot, programming and change records |
| Assembly process | Which welding, soldering, fastening, adhesive, ageing and test conditions? | Process parameters, station logs and operator records |
| Distribution | Where did potentially affected units go? | Shipment, distributor, marketplace and consumer records |
Build a traceability map with a stated confidence level. If the failed unit has no readable lot code or records cannot connect a component to a finished serial range, document that uncertainty. The safe containment population may need to be wider because the evidence cannot support a narrower boundary.
Traceability starts before shipment. The buyer’s battery-cell requirements, approved component list, lot-code design and pre-shipment inspection records should be planned so that a later field claim can be linked to actual production.
5. Preserve the evidence and arrange safe return logistics
Photos and video should be collected before a return is authorised. Ask for clear images of all sides, the product label, date or lot code, ports, cables, charger markings, damage and surrounding objects. Preserve the original files and message history rather than relying only on compressed screenshots.
Damaged, defective or recalled lithium batteries cannot be returned through normal parcel channels without checking the applicable transport rules. The allowed method depends on the battery’s condition, route, transport mode and jurisdiction. US guidance, for example, restricts damaged, defective and recalled lithium batteries; a battery likely to produce sparks or dangerous heat cannot travel by air. If a customer reports swelling, smoke, fire or severe damage, do not send a standard prepaid air-return label. Arrange an approved local collection, disposal or return method with a qualified dangerous-goods specialist.
- Record who possessed the unit and every transfer date
- Assign a sample ID that links back to the claim ID
- Photograph the unit and packaging at receipt before handling
- Quarantine it in an appropriate area under the site’s battery-safety procedure
- Do not charge, discharge or dismantle it until a competent person approves the plan
- Use separate controls for severely damaged, burnt, leaking or thermally unstable units
- Retain associated cable, charger, packaging and fragments when relevant
- Document any destructive analysis and the material consumed
When physical return is unsafe or impractical, the investigation can start from images, interviews, sales data, retained production samples and factory records. Lack of a returned unit limits certainty, but it does not justify deleting the claim from trend analysis.
6. Confirm the failure mode before assigning a root cause
A symptom is what the customer observed. A failure mode describes what stopped working. A root cause explains why it happened. “Does not charge,” “bad PCBA” and “operator error” describe three different levels of the investigation; they are not interchangeable findings.
| Reported symptom | Initial checks by a qualified investigator | Evidence to retain |
|---|---|---|
| Will not recharge | Input port and cable condition, charger compatibility, negotiated input, cell voltage, protection state and input circuit | Accessory IDs, protocol capture, voltage/current log and internal inspection |
| Low usable energy | Charge completion, test load and voltage, cut-off point, cell capacity, conversion loss, self-discharge and operating temperature | Full charge/discharge curves, conditions and comparison samples |
| Output stops or resets | Device demand, cable resistance, protection threshold, thermal response, connector contact and firmware logic | Load profile, temperature data and controller revision |
| No advertised fast charging | Port direction, charger and cable capability, protocol negotiation, battery state, thermal derating and multi-port allocation | Protocol trace, cable identity, temperatures and mode matrix |
| Built-in cable fails | Conductor continuity, voltage drop, strain relief, bend location, pull damage, connector wear and assembly | Failure location, microscopy, cycle history and retained cable |
| Housing swelling or opening | Stop electrical testing until risk is assessed; examine cell condition, charge history, storage, enclosure clearance and evidence of internal gas generation or external damage | Dimensions, photos, imaging and specialist analysis |
| Overheating, melting or fire | Use a controlled specialist plan covering cell, short circuit, contact resistance, power components, thermal sensing, protection and external conditions | Scene evidence, fragments, data logs, component lots and independent findings |
Start with non-destructive inspection where it is safe to do so, then follow a written test plan. Compare the failed unit with an unopened same-lot unit and an approved golden sample. A known-good lot can provide another reference when the results are unclear. Record the equipment, calibration status, conditions, accessories, software and raw data.
Do not force a hazardous sample through the standard power bank quality test checklist. A burnt or swollen unit may require imaging, controlled disassembly, materials analysis or an independent battery failure-analysis laboratory rather than routine charging and load testing.
7. Find occurrence, escape and system causes
Finding the failed component is not the same as finding the cause. If a connector detached, replacing it repairs the sample but says little about why it came loose. The investigation still has to establish how the condition was created, why production controls missed it and which system gap allowed both to happen.
- Occurrence cause: the technical or process condition that created the failure, such as insufficient solder wetting, an incorrect protection threshold or a cell damaged during assembly.
- Escape cause: why inspection or testing did not detect the condition, such as an unsuitable fixture, inadequate sampling, a test that did not apply load, or a result that was recorded but not reviewed.
- System cause: why the organisation’s controls permitted occurrence or escape, such as an uncontrolled component change, incomplete work instruction, missing maintenance rule or unclear approval authority.
Tools such as a cause-and-effect diagram, fault tree, five whys or design/process FMEA can help structure the work. They do not replace physical evidence. Stop the five-whys chain when the answer becomes speculation, and state which hypotheses were tested, rejected or left open.
| Weak conclusion | What is missing | Stronger evidence-based conclusion |
|---|---|---|
| “Customer misuse” | Defined misuse, physical evidence and foreseeable-use analysis | State the observed condition, how it produced the failure and whether instructions or design controls addressed foreseeable use |
| “Bad cell” | Cell identity, failure mechanism and reason the cell entered production | Link analysis to the exact cell lot and incoming, storage and assembly controls |
| “Random failure” | Population data and tested alternative causes | State the observed rate, confidence limits, lot distribution and evidence supporting an isolated event |
| “Operator retrained” | Root cause and verification that training controls the process | Correct the work method or poka-yoke, confirm competence and audit subsequent output |
| “Cannot reproduce” | Comparison between customer conditions and laboratory conditions | List conditions tested, limitations and the next evidence needed |
8. Require a complete 8D or CAPA response from the supplier
Ask for a structured corrective-action report when failures repeat, carry a safety risk or have a material commercial impact. An 8D is a familiar format, but a completed template proves very little on its own. Each action needs an owner, due date, affected scope and verification method.
| 8D stage | What the importer should expect |
|---|---|
| D1: Team | Named quality, engineering, production, supplier and management owners with authority to act |
| D2: Problem | Exact SKU, lot, quantity, failure mode, conditions, timeline and evidence; clear distinction between known and unknown facts |
| D3: Containment | Held quantities, screened lots, test method, customer protection and release authority |
| D4: Root cause | Validated occurrence and escape causes linked to records and failed samples |
| D5: Permanent correction | Selected design or process action, risk review and validation plan |
| D6: Implementation | Changed drawings, BOM, firmware, work instructions, fixtures, training and effective production date |
| D7: Prevention | Updates applied to related models, FMEA, control plan, audits and supplier controls |
| D8: Closure | Effectiveness data, residual risk decision, approvals and controlled record package |
A 100% screen may protect the next shipment, but it rarely removes the condition that created the defect. Treat it as containment unless the evidence shows otherwise. If the permanent change affects the cell, PCBA, firmware, protection settings, structure, insulation, connector, charger profile or thermal behaviour, review the approved specification and compliance evidence before release.
Ask for evidence that the action reached production: revised document numbers, fixture photographs, measurement-system results, validation data, the first corrected lot, operator qualification and audit records. “We will pay more attention” is not a corrective action.
9. Separate the consumer remedy from the supplier settlement
The importer may need to provide a consumer remedy before commercial responsibility is agreed with the supplier. Keep two linked records: one for the customer outcome and one for the supplier quality and cost settlement.
| Decision area | Questions to resolve |
|---|---|
| Consumer remedy | Refund, replacement, repair or other remedy; timing; instructions; proof of completion |
| Returned inventory | Rework, controlled use, destruction, recycling or continued hold |
| Supplier responsibility | Confirmed defect quantity, warranty basis, exclusions and disputed units |
| Recoverable cost | Product, freight, collection, testing, sorting, rework, disposal, retailer fees and approved third-party costs |
| Future orders | Credit note, replacement shipment, payment hold, additional inspection or revised warranty reserve |
| Safety action | Stop sale, warning, withdrawal, recall, authority notification and consumer communication |
The commercial rules should already be defined in the power bank OEM manufacturing agreement: warranty start and duration, defect evidence, response times, inspection rights, remedy options, excluded causes, cost allocation, record access and treatment of latent or safety defects. The agreement should not prevent the importer from taking timely safety action.
10. Decide whether wider corrective action is required
Do not use a simple complaint percentage as the only recall threshold. One credible fire or serious-injury incident may require faster escalation than hundreds of cosmetic claims. Risk depends on the nature and severity of possible harm, likelihood, exposure, affected users, detectability, available traceability and effectiveness of interim measures.
- Is there evidence of fire, burn, electric shock, venting or other serious harm?
- Could the same condition exist in units already sold or in transit?
- Is the failure linked to a common design, component lot, firmware or process?
- Can consumers detect the condition before harm occurs?
- Would stop-use instructions adequately control the risk?
- Can affected units be identified by model, date, lot or serial number?
- Have similar incidents appeared in retailer, marketplace, review or service data?
- Which manufacturer, importer, authorised representative, distributor or marketplace duties apply?
- What authority notifications, consumer warnings, withdrawals or recalls may be required?
Use competent product-safety, legal and regulatory advice for the relevant markets. In the US, CPSC guidance says reportable information should be reported promptly and encourages reporting while an investigation is continuing. In the EU, the GPSR framework includes duties for dangerous products, accidents, corrective measures and consumer communications. In the UK, official business guidance covers corrective action, recalls and safety incidents. The factory’s location does not replace the importer’s obligations in the market where the product was placed.
11. Verify effectiveness before closing the case
Close the claim only when its customer-service action is complete. Close the corrective action only when implementation and effectiveness are supported by evidence. These dates may be different.
- Inspect or test the first corrected production lot using a method sensitive to the failure
- Review more than one later lot when the failure is intermittent or age-related
- Confirm that controlled documents and BOM revisions match production
- Audit the changed station, fixture, inspection and recordkeeping process
- Track the affected failure code by units sold, production lot and time in service
- Check related models that share the component or process
- Define a period or quantity with no recurrence before final closure
- Record residual risks, open monitoring and management approval
Track claims per 1,000 or million units sold, confirmed-defect rate, safety incidents, response and containment time, time to a validated root cause, repeat failures and the share of claims with usable lot data. Always show the denominator and sales exposure period. A raw claim count can rise simply because sales increased.
Copy-ready power bank warranty claim and failure-analysis template
Adapt this template to the product, market and company procedure. Safety-related cases should be reviewed by qualified specialists.
POWER BANK WARRANTY CLAIM AND FAILURE ANALYSIS CASE CONTROL Claim ID: Date and time received: Received from / channel: Case owner: Initial risk level: Escalation owner and time: Current status: PRODUCT IDENTITY Brand and product name: Buyer SKU: Factory model: Capacity / Wh: Colour / market version: Serial number: Lot / date code: Product label photo reference: Purchase order and quantity: Factory / line / production date: Seller, country and sale date: CUSTOMER AND INCIDENT Customer contact: Original description: Incident date and location: Use or charging condition: Connected phone / device: Charger, cable and port used: Ambient or storage conditions, if known: Swelling / heat / odour / venting / smoke / fire: Injury or medical attention: Property damage or emergency response: Current product location and condition: Photos, video and documents received: INITIAL ACTION Stop-use or other safety guidance: Refund / replacement / service response: Inventory hold quantity and location: Shipment / sale / production stop: Distributor or marketplace notification: Authority / insurer / legal review: Date and person approving each action: TRACEABILITY Finished-product serial or carton range: Cell manufacturer, model and lot: PCBA and controller revision / lot: Firmware revision: Connector / cable / critical-component lots: Assembly and test records: Related SKUs and orders: Units produced, shipped, sold, in transit and on hand: Traceability gaps and confidence level: SAMPLE AND RETURN CONTROL Return permitted? yes / no / pending specialist review Transport classification and approved method: Sample ID and chain of custody: Condition at receipt: Associated accessories received: Storage / quarantine location: Investigation safety precautions: FAILURE ANALYSIS Customer symptom: Confirmed failure mode: Test plan and responsible laboratory: Equipment, software and conditions: Same-lot comparison result: Golden-sample / known-good comparison: Non-destructive findings: Destructive-analysis findings: Occurrence root cause and validation: Escape root cause and validation: System root cause: Alternative hypotheses rejected: Investigation limitations: CORRECTIVE AND PREVENTIVE ACTION Temporary containment: Permanent design / process correction: Documents and BOM changed: Validation plan and acceptance criteria: Implementation owner and due date: First corrected production lot: Related models / processes reviewed: Effectiveness period or quantity: Effectiveness results: DISPOSITION AND CLOSURE Consumer remedy and completion date: Returned-unit disposition: Supplier responsibility decision: Cost settlement / credit reference: Market corrective action, if any: Authority communication reference, if any: Residual risk and monitoring: Quality approval / date: Product-safety or management approval / date: Final closure date:
Common mistakes when handling power bank claims
- Counting only refunds while excluding marketplace messages and distributor complaints
- Checking warranty dates before screening for fire, swelling, heat or injury
- Asking a customer to recharge or open a visibly damaged battery product
- Emailing a normal air-return label for a swollen, damaged or recalled lithium battery
- Recording the product name but not the SKU, date code, lot code or label image
- Replacing the unit and marking the quality investigation complete
- Calling the failed component the root cause without analysing occurrence and escape
- Accepting “operator retraining” or “strengthen inspection” without objective changes
- Testing only one returned sample and ignoring retained units and lot records
- Using the total number of complaints without units-sold and time-in-service data
- Waiting for the overseas factory to approve a market safety action
- Releasing held stock without a documented, failure-specific verification plan
Frequently asked questions
1. What information is needed for a power bank warranty claim?
Record the exact SKU, serial or lot code, purchase and incident dates, customer description, operating conditions, charger and cable, label and damage photos, safety indicators, injury or property damage, product location and any remedy already provided. Preserve the original evidence.
2. When is a power bank complaint a safety incident?
Reports involving fire, smoke, venting, severe heat, melting, swelling, electric shock, injury or property damage need immediate product-safety screening. A repeated failure that could lead to harm may also require escalation even when no injury has yet occurred.
3. Should a swollen power bank be returned to the factory?
Do not use ordinary parcel or air-return arrangements. Damaged, defective and recalled lithium batteries are subject to special transport restrictions. Start with remote evidence, then use a qualified dangerous-goods specialist and an approved local collection, disposal or return route.
4. What is the difference between containment and corrective action?
Containment protects customers and stock while an investigation continues, for example by holding inventory or adding temporary screening. Corrective action removes or controls the validated root cause. Both need defined scope, ownership and evidence.
5. What should a supplier’s 8D report include?
It should define the team, problem and affected population; document containment; validate occurrence and escape causes; select and implement permanent corrections; update related controls; and provide effectiveness evidence. Dates, owners, document revisions and raw test data should support the conclusions.
6. How is the power bank warranty claim rate calculated?
Divide claims in a defined population and period by units sold or placed in service, then multiply by 1,000 or one million. Also track confirmed defects and individual failure modes. State the denominator, sales period, claim window and whether duplicate or unverified cases are included.
7. Does replacing the customer’s power bank close the claim?
It may close the consumer-service action, but it does not automatically close the quality or safety investigation. Traceability, root cause, affected scope, corrective action and effectiveness still need review when the failure is repeated, significant or safety-related.
8. Who is responsible for a power bank recall?
Responsibilities depend on the market and supply-chain role. Manufacturers, importers, authorised representatives, distributors and online marketplaces may have different duties. The importer should obtain market-specific advice and should not assume that the overseas factory will perform the importer’s regulatory role.
Official reference sources
- US Consumer Product Safety Commission: duty to report and business responsibilities
- US Consumer Product Safety Commission: recall checklist
- US Consumer Product Safety Commission: Product Safety Planning, Reporting & Recall Handbook
- EUR-Lex: Regulation (EU) 2023/988 on general product safety
- European Commission: Safety Business Gateway implementation guidelines
- UK Office for Product Safety and Standards: product safety advice for businesses
- US Pipeline and Hazardous Materials Safety Administration: transporting lithium batteries
- US Federal Aviation Administration: lithium batteries and power banks
Regulations, guidance and transport restrictions change. Confirm current applicability, deadlines and required actions for the exact product, incident, jurisdiction and shipping route. For a safety event, use competent regulatory, legal, battery and dangerous-goods specialists.
Build traceability and corrective action into the OEM project
Warranty handling should be designed before mass production. The buyer and manufacturer need agreed rules for product identification, component-lot records, retained samples, response times, failure-analysis ownership, change control, replacement terms and access to production evidence.
When contacting YULIDA, provide the target market, selected model, order quantity, branding route, traceability requirements and buyer quality terms. The power bank OEM/ODM service scope explains the available manufacturing support, or contact YULIDA to discuss sample approval, production records, inspection and after-sales support for a private-label project.
Official sources and verification
These primary sources support standards, compatibility, safety, or transport statements discussed in this article. Confirm the current requirement for the exact product model and destination market.
- U.S. PHMSA — Hazardous-materials and lithium-battery transport information.
- FAA PackSafe — Passenger baggage guidance for power banks and spare lithium batteries.
