Check your trip

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1 Your power bank

Use the Wh printed on the bank. Find it on the label ↓

Try a size

Different sizes? Enter the largest bank’s Wh and the total count. Check every bank’s label and condition.

2 Your flights

Choose “operated by” on your ticket. Add connections separately.

Ordinary lithium-ion power banks only. Medical batteries, smart luggage & other devices ↗

Small details. Fewer surprises.

The details that catch
travellers out.

Answers to the questions travellers actually ask.
See the research behind this guide ↗

Wh

Stored energy

The number used for airline capacity limits.

W

Charging power

How quickly it can charge. A different number.

Illustrative label. Read your own device.

Decode your power bank label ↗

Connecting in China?

Find out when a domestic leg needs the 3C mark.

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Your cabin bag gets gate-checked.

The power bank stays with you.

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Allowed to carry. Allowed to use?

Two different questions. Check both.

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Does that small battery count?

MagSafe, phone cases and gifts explained.

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Useful answers, with receipts.

Official rules. Dated sources. Uncertainty shown.

How we check →

Go straight to your airline.

Read the policy, the source and what still needs clarification.