Passengers hoping to bring their “smart bags”, which have chargers in them, might be disappointed: those “with non-removable batteries above 2.7Wh are not permitted onboard,” sites like Ryanair advise.
That’s because they contain lithium batteries, which power banks also have.
These can sometimes short-circuit and are generally not permitted in the hold as they can catch fire.
And on their site, Jet2 said that they ban “lithium-ion batteries, lithium metal batteries and power banks that don’t clearly state” an important rating.
Power banks need to show their watt/hour rating
Those that don’t include the “watt-hour rating or lithium metal content, or where the watt-hour rating cannot easily be otherwise ascertained, are forbidden”.
A watt-hour rating is usually shortened to Wh. Power banks should have a rating “not exceeding...
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