Safe Travel -- new FAA limits on lithium based batteries in air travel

[David Farber <dave () farber net>]

________________________________________
From: Andrew Burnette [acb () acb net]
Sent: Tuesday, January 01, 2008 12:26 PM
To: David Farber
Subject: Safe Travel -- new FAA limits on lithium based batteries in air travel

Dave, for IP if you wish.

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

Effective January 1, 2008, the following rules apply to the spare
lithium batteries you carry with you in case the battery in a device
runs low:

     * Spare batteries are the batteries you carry separately from the
devices they power. When batteries are installed in a device, they are
not considered spare batteries.
     * You may not pack a spare lithium battery in your checked baggage
     * You may bring spare lithium batteries with you in carry-on
baggage – see our spare battery tips and how-to sections to find out how
to pack spare batteries safely!
     * Even though we recommend carrying your devices with you in
carry-on baggage as well, if you must bring one in checked baggage, you
may check it with the batteries installed.

The following quantity limits apply to both your spare and installed
batteries. The limits are expressed in grams of “equivalent lithium
content.” 8 grams of equivalent lithium content is approximately 100
watt-hours. 25 grams is approximately 300 watt-hours:

     * Under the new rules, you can bring batteries with up to 8-gram
equivalent lithium content. All lithium ion batteries in cell phones are
below 8 gram equivalent lithium content. Nearly all laptop computers
also are below this quantity threshold.
     * You can also bring up to two spare batteries with an aggregate
equivalent lithium content of up to 25 grams, in addition to any
batteries that fall below the 8-gram threshold. Examples of two types of
lithium ion batteries with equivalent lithium content over 8 grams but
below 25 are shown below.
     * For a lithium metal battery, whether installed in a device or
carried as a spare, the limit on lithium content is 2 grams of lithium
metal per battery.
     * Almost all consumer-type lithium metal batteries are below 2
grams of lithium metal. But if you are unsure, contact the manufacturer!

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