Small details. Fewer surprises.
The details that catch
travellers out.
Answers to the questions travellers actually ask.
See the research behind this guide ↗
EXAMPLE LABEL20,000 mAhNominal cell voltage · 3.7 VRated energy 74 WhMaximum output 65 W
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.
Useful answers, with receipts.
Official rules. Dated sources. Uncertainty shown.
Go straight to your airline.
Read the policy, the source and what still needs clarification.
