I am wondering how the TSA employee will actually look at the number on 
the batteries and calculate the watt-hour. 

Come to think of it, it seems that this is more likely to impact laptop 
batteries than the cameras'.

I probably print out sticker with watt-hour capacity and stick it to my 
batteries.

-Pasvorn

Godfrey DiGiorgi on 1/9/2008 12:24 PM:
> On Jan 9, 2008, at 11:49 AM, Igor Roshchin wrote:
>
>   
>>>> "There is no limit on batteries below the 100 watt-hour limit in
>>>> carry-on luggage."
>>>>         
>>> I wanted to figure out the watt-hour rating of a Pentax K10D's  
>>> battery.
>>>
>>> The B&H site (fastest place to look) lists it as a 1620 milliAmp-hour
>>> battery, that's 1.62 Amp-hour, with a nominal voltage of 7.4v.
>>>
>>> W=V*A, making it about a 12 watt-hour battery if I read the
>>> definition of amp-hour and watt-hour correctly.
>>>
>>> Did I get that right?
>>>
>>>       
>> Yes, your calculation is correct.
>>     
>
> Thanks Igor!
>
> G
>
>   

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