What is the highest battery you can bring on a plane?

The battery voltage must not exceed 12 volts and the battery watt hour rating must not exceed 100 watt hours.



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Normally, power banks with a battery capacity lower than 27,027mAh (100 watt-hours) can be legally and safely taken on a flight.

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In summary: Power banks are allowed on planes in carry on bags only. Power banks are not allowed in checked luggage / cargo luggage. You can bring power banks up to 27,000 mAh on most passenger aircraft.

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Lithium-ion (rechargeable) batteries and portable batteries that contain lithium-ion can only be packed in carry-on baggage. They're limited to a rating of 100 watt hours (Wh) per battery. With airline approval, you can bring two larger spare batteries (up to 160 Wh).

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According to the guidelines of the IATA, the International Air Transport Association, it is allowed to take a power bank with a maximum of 27,000 mAh or 100W on the plane. Power banks are prohibited in the hold baggage.

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Lithium battery/power banks up to and including 100Wh are acceptable for carriage.. Lithium battery/Power banks of more than 100Wh up to 160Wh, please see the information in the lithium batteries section for approval.

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Portable chargers or power banks containing a lithium ion battery must be packed in carry-on bags. For more information, see the FAA guidance on portable rechargers. For more prohibited items, please go to the 'What Can I Bring?'

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LOT — power bank must be carried in carry-on baggage. Maximum capacity: 100 Wh or 27,000 mAh. If the capacity of the power bank exceeds 100 Wh, the passenger must obtain approval from the airline before departure.

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Lithium batteries can catch fire
While not all batteries are prohibited in checked luggage, lithium batteries are considered hazardous and should not be packed in checked bags. If a lithium battery overheats and catches fire inside the cargo hold, the fire can quickly spread and become difficult to control.

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Power banks are permitted onboard as cabin baggage and may be used during your flight, however these must not exceed 100Wh.

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The lithium battery must be easy to disconnect and remove. A maximum of two power banks or lithium-ion batteries for portable electronic devices with a capacity of 100 Wh may be carried in carry-on baggage only. They must be individually wrapped to avoid short circuits.

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Lithium metal (non-rechargeable) batteries are limited to 2 grams of lithium per battery. Lithium ion (rechargeable) batteries are limited to a rating of 100 watt hours (Wh) per battery. These limits allow for nearly all types of lithium batteries used by the average person in their electronic devices.

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Lufthansa — power bank must be carried in carry-on baggage. Maximum capacity: 100 Wh or 20000 mAh. Ryanair — power bank must be carried in carry-on baggage. Maximum capacity: 100 Wh or 27000 mAh.

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lithium metal and lithium ion/polymer batteries are prohibited in checked baggage—this includes external battery packs. Electronic cigarettes and vaporizers are also prohibited in checked baggage. “Checked baggage” includes bags checked at the gate or planeside.

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