Excerpted from the Wall Street Journal
Dec 31st 2007 by Robert Daniel
"According to the new rules beginning Jan 1st 2008, travelers
can bring a laptop computer, digital camera AND OTHER EQUIPMENT
on board or in checked baggage if their lithium batteries are
installed in the items" Also Lithium Metal batteries whether
installed or carried as a spare the maximum Lithium Metal
content is 2 grams per battery. " "Almost all consumer type
Lithium Metalk Batteries meet this rule the Agency says.
The CR123A Sanyo primary Lithium battery used in the Air Supply
AS150MM contains .57 grams according to the manufacturer and so
is permitted on board.
"Passengers can fly with Lithium Ion batteries containing no
more than the equivalent of eight grams of lithium content."
These are rechargeable batteries