Phone: start with your needs between sockets
Identify the devices to charge and when you will have no socket available. A high-capacity power bank adds weight: it is useful only if that extra runtime meets your travel needs.
The advertised number of charges depends on the device and usage conditions. Do not calculate it simply by dividing capacities in mAh.
- Capacity and weight you actually need
- Your devices' connectors
- Time available to recharge the power bank
Laptop: check watts per port
High capacity does not guarantee laptop charging. Check USB-C Power Delivery compatibility, the laptop's power requirement and the output of the power bank's port you will use.
The cable and power sharing between devices also matter. Compare per-port output and simultaneous use, not just the total advertised on the box.
Air travel: keep the power bank in the cabin
According to EASA, power banks and spare batteries must travel in the cabin, individually protected against short circuits, never in checked baggage. If your cabin bag is transferred to the hold, remove the power bank.
Check your airline's rules for capacity in Wh, permitted quantity, storage and in-flight use. Restrictions may be stricter than general rules. An 'airline-compatible' marketing claim does not replace this check.
Final check: capacity, condition and weight
Keep the capacity marking legible and check the power bank's condition before packing it. Check for manufacturer recalls. A damaged power bank or one recalled for a safety issue must not be considered ready for travel.
Weigh the power bank and cables with your equipment. Lureox provides a documentary analysis: real-world runtimes are not Lureox laboratory results.
Frequently asked questions
Will a high-capacity power bank necessarily charge my laptop?
No. Also check the port's output, the laptop's USB-C Power Delivery compatibility and the cable used.
What if my cabin bag is transferred to the hold?
Remove the power bank and keep it in the cabin with its terminals protected, following airline and crew instructions.
Sources and dates
Each date corresponds to the indicated source, not a new check of the entire catalogue. The above benchmarks specify the scope of the references that document them.
- EASA — power banks and dangerous goodsConsulted on 30/09/2026
- Anker — power needed to charge a laptopConsulted on 30/09/2026
Get a selection suitable for your trip
Your duration, budget and priorities can change the best choice.