WestJet permits lithium batteries in carry-on baggage only, with strict watt-hour (Wh) limits: 100 Wh for consumer devices and 160 Wh for medical equipment. Spare batteries must be individually protected to prevent short circuits. Power banks and damaged batteries are prohibited in checked luggage. Always declare batteries at security checkpoints. Non-compliance may result in confiscation or denied boarding.
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How Does WestJet Classify Lithium Batteries for Air Travel?
WestJet categorizes lithium batteries into three groups: (1) lithium-metal (non-rechargeable) batteries under 2 grams, (2) lithium-ion (rechargeable) batteries under 100 Wh, and (3) medical/assistive device batteries up to 160 Wh. Batteries must remain installed in devices when possible. Spare batteries require protective casing. E-cigarettes and hoverboards are treated as restricted items subject to additional screening.
| Battery Type | Energy Limit | Packaging Requirement |
|---|---|---|
| Lithium-Metal | < 2 grams | Original packaging |
| Lithium-Ion | < 100 Wh | Terminal protection |
| Medical Devices | Up to 160 Wh | Documentation required |
What Are the Restrictions for Lithium Batteries in Checked Baggage?
All spare lithium batteries, power banks, and loose cells are banned from checked luggage. Devices with installed batteries (e.g., laptops) may be checked if powered off and protected from activation. Medical equipment exceeding 160 Wh requires pre-approval. WestJet enforces these rules under IATA Dangerous Goods Regulations to mitigate fire risks in cargo holds.
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How Should Passengers Pack Spare Lithium Batteries?
Spare batteries must be carried in original retail packaging, insulated pouches, or tape-protected terminals. Maximum two spares per passenger. Batteries exceeding 100 Wh need airline approval 72 hours before departure. Use non-conductive materials like electrical tape to cover terminals. Never stack batteries or mix with metal objects like coins or keys.
For optimal safety, consider using battery-specific travel cases with individual compartments. These cases must meet air-tightness standards and withstand at least 95 kPa pressure differential. When packing multiple batteries, ensure they’re separated by at least 1 cm of non-flammable material. WestJet recommends labeling each battery with its watt-hour rating using permanent markers. Travelers connecting through U.S. hubs should note that TSA regulations limit lithium-metal batteries to 25 total grams across all spares.
Why Does WestJet Prohibit Damaged Lithium Batteries?
Damaged lithium batteries pose thermal runaway risks—a chain reaction causing extreme heat, gas emissions, or explosions. WestJet’s policy aligns with ICAO guidelines to prevent in-flight incidents. Swollen, punctured, or leaking batteries are strictly prohibited. Passengers must dispose of compromised batteries through certified recycling programs before travel.
Thermal runaway can occur at altitudes as low as 15,000 feet due to pressure changes. In 2022, the FAA reported 62 aviation incidents involving lithium batteries globally. WestJet’s maintenance teams use specialized containment bags capable of withstanding 1,800°F temperatures for emergency battery incidents. Passengers should look for warning signs like hissing sounds, discoloration, or unusual odors from devices. The airline’s safety video demonstrates proper battery inspection techniques during pre-flight routines.
“WestJet’s lithium battery framework exemplifies proactive aviation safety. By mandating carry-on transport for spare cells, they reduce cargo fire risks while accommodating essential medical devices. However, passengers often underestimate watt-hour calculations—I recommend using manufacturer websites to verify specs pre-travel. The industry needs standardized battery labeling to streamline compliance checks.”
– Aviation Safety Consultant, 14 years in airline operations
What Documentation Is Required for Medical Lithium Batteries?
Medical batteries (160+ Wh) require a physician’s note detailing the device’s necessity, battery specifications, and passenger contact information. Submit documentation via WestJet’s Special Assistance Desk at least 72 hours pre-flight. Carry printed copies during travel. Flight crews may request additional verification to ensure compliance with Transport Canada regulations.
FAQs
- Can I Bring a 20000mAh Power Bank on WestJet?
- Yes, if its watt-hour rating doesn’t exceed 100 Wh (typically 20000mAh at 5V = 100 Wh). Carry it in your cabin bag with terminals protected. Power banks above 100 Wh are prohibited.
- Are Lithium AA Batteries Allowed on WestJet?
- Alkaline AA batteries are permitted in checked/carry-on bags. Lithium-metal AA batteries (non-rechargeable) under 2 grams are allowed in carry-ons only, with a maximum of 24 cells per passenger.
- What Happens If I Accidentally Check a Lithium Battery?
- WestJet’s baggage scanners may flag the item, causing baggage delay or removal. Intentional violations can lead to fines up to CAD $5,000 under the Canadian Aviation Security Regulations.