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How many Phantom 2 batteries allowed in carry-on?

Discussion in 'General Discussion' started by damoncooper, Sep 13, 2014.

  1. damoncooper

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    The FAA battery cheat sheet is a bit confusing and I'm wondering if anyone has done the math for Phantom 2 batteries and gotten a clear answer for how many are allowed in carry-on bags?

    I have one I leave in the P2 in checked luggage and 3 I want to carry on.
     
  2. IrishSights

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    Im traveling to Dallas soon from the UK and been checking myself. United allow one inside and 2 spare. All in carry on. One only is allowed in checked in if installed in a device.

    See http://www.safetravel.dot.gov/quick_chart.html

    And

    http://www.safetravel.dot.gov/definitions.html

    Generally its 8g of equivilent lithuim per battery. So 8g is equal to 100w/hrs. The formula is mAh/1000 x V = wh

    A Phantom battery is 57wh so that's 4.56g of lithium, well below the 8g per battery they state as allowed.

    Sent from Samsung S4 via Tapatalk
     
  3. damoncooper

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    Awesome, thanks for doing the math on that. So the FAA would consider a P2 battery a "small" battery and there is therefore no limit on the number of those you can carry for personal use according to

    http://www.faa.gov/about/office_org/hea ... teries.pdf

    Question answered then. Thx!
     
  4. ProfessorStein

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    But remember... each airline has their own say in what they'll allow. I think you'll find that if you check most airlines websites and/or policies, they only allow, as Irish pointed out, 1 in the device and 2 extra in your carry on.
     
  5. IrishSights

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    That's correct as far as I can read up on it. I intend to tape over the 2 contact slots even though it is not necessary it may just demonstrate to TSA that protective measures against shorting have been taken. Any small effort to ease the flow through security! I will be having about 40% charge in them so I can demonstrate that the 'device' can be switched on if asked. International flights coming into the US have elevated security in place so the more precautions taken the better.
     
  6. RedRyderMedia

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    I carries three total through a variety of passenger screenings on both domestic USA and international flights in Europe and was never asked how many I had.
     
  7. derrickduff

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    As far as domestic travel how does the airline know what you have in your carry on? If the TSA rule is no limit on small lithium batteries you should be good to go to fit as many as you can in your carry on. I recently traveled with 4 in my carry on. Made it through security no questions.
     
  8. ProfessorStein

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    Remind me NEVER to be on the same flight as you. Will the airlines know if you don't tell them? Probably not. But when you bought your ticket you agreed to follow their policies. So... if you disregarded those policies, and something WERE to happen, and for whatever reason there was an issue with your batteries, you would be liable. And people would sue the hell out of you.

    Especially if something truly catastrophic were to happen that caused serious injury or damage to the plane.

    Is it really worth it?
     
  9. derrickduff

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    Maybe you're referring to international travel because I really don't understand your paranoia. These are not considered large lithium batteries which are subject to the 3 limit rule. The whole purpose of having them with carry on is to prevent an issue by having easy access to them.

    Out of 4 major US airline's Contracts of Carriage only one mentioned lithium batteries not being able to be in checked baggage. The other 3 had no mention of them. And the two carriers I typically fly with have no additional rules beyond the DoT/TSA rules.

    Thanks to IrishSights for doing the math for us. Have a read here about battery sizes and travel:

    http://safetravel.dot.gov/whats_new_batteries.html