How big of a charger can you take on a plane?

Navigating Power Bank Restrictions on Flights

When embarking on air travel, understanding the regulations surrounding portable chargers becomes paramount. Lithium-ion batteries, commonly found in power banks, are subject to specific limitations to ensure passenger safety.

Understanding Battery Capacity Limits

The key factor determining whether a power bank can accompany you on a flight is its battery capacity, measured in watt-hours (Wh). Most airlines set the following thresholds:

• Under 100Wh: Power banks with capacities below 100Wh are generally permitted without restriction.
• 100-160Wh: Power banks in this range may be allowed with prior airline approval. You may need to consult with the airline’s customer service department to obtain permission.
• Over 160Wh: Power banks exceeding 160Wh are strictly prohibited on both checked and carry-on luggage.

Calculating Battery Capacity

To ensure compliance, it is crucial to accurately calculate the battery capacity of your power bank. Here’s a simple formula:

Battery Capacity (Wh) = Voltage (V) x Amperage (mAh) / 1000

For example, a power bank with a voltage of 5V and amperage of 27,000mAh would have a capacity of 135Wh (5V x 27,000mAh / 1000).

Additional Considerations

• Separate Batteries: If your power bank has removable batteries, they must be stored separately and carried in your carry-on luggage.
• Labeling: Clearly label your power bank with its Wh capacity for easy inspection by security personnel.
• Exceptions: Some airlines may have their own specific regulations regarding power banks. Always check with your airline before packing them for your flight.

Conclusion

Adhering to these guidelines ensures the safe transportation of portable chargers and helps avoid potential inconvenience at the airport. By understanding battery capacity limits and following airline regulations, you can confidently bring essential power sources on your next flight.