[SBE] Fwd: Fw: [FT817] Lithium & Lithium Ion Battery Restrictions

[allen lemelle]

Dave,

  Thanks for sharing that very informative bit of
information.

Thanks,
 
Allen 

--- A9xw at cs.com wrote:


>  

> 

> 

>    

> > From: "ART HOUSHOLDER" <ahousholder1 at comcast.net>

> To: <A9xw at cs.com>

> Subject: Fw: [FT817] Lithium & Lithium Ion Battery

> Restrictions

> Date: Sat, 29 Dec 2007 19:37:11 -0600

> 

> 

> ----- Original Message ----- 

> From: Dave Ingram 

> To: FT817 at yahoogroups.com 

> Sent: Saturday, December 29, 2007 1:28 AM

> Subject: [FT817] Lithium & Lithium Ion Battery

> Restrictions

> 

> 

> There's a bit of discussion about about some recent

> changes to rules about

> batteries. I looked into this some time back as the

> company I was working for

> was selling a video camera system with lithium ion

> batteries.

> 

> A Lithium Ion battery is a 'dangerous good' under

> international rules, unless

> the battery has suitable safeguards (the protective

> circuit module is one

> such) and it has passed 'UN Testing' (yep, United

> Nations specify some of the

> tests). These are IATA/ICAO and IMDG codes.

> 

> Ultralife, a battery maker, has a good list of

> things that batteries need to pass.

> http://www.ulbi.com/battery_transportation.php

> 

> Basically, what I think has been international rules

> (batteries must pass

> tests T1-T8, have no more than 1.5g Li equivalent

> per cell and no more than

> 8.0g equivalent Li per battery) are now applicable

> for domestic air travel in

> the US.

> 

> The US rules are

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

> 

> The good bits:

> * 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!

> 

> 8g is roughly 100Wh, so for a 4 cell LiIon (14.8V)

> that is 6.7Ah max and for

> the typical 3 cell LiIon (11.1V) you're limited to

> 9Ah -- still a good size

> battery.

> 

> Transportation of primary cells (lithium button or

> coin cells for example) has

> been banned on aircraft with passengers for some

> time -- they must fly on

> dedicated freighters.

> 

> I guess the thing has been in the past authorities

> and airlines could be sure

> that batteries had passed the UN Tests and were

> therefore very safe (able to

> handle puncturing, shorting etc) and there were

> minor limits on what could be

> taken. Now there are a heap more Lithium Ion powered

> products out there, many

> are not being tested (it costs a lost for the test

> lab and for the batteries

> that are destroyed/used in testing), so some are

> sneaking through. The

> exploding cellphones and laptops are testament to

> this. It is good that

> Lithium batteries are lightweight and so having them

> in the cabin bag doesn't

> hurt too much. I'll be taking two spares with me to

> ZL to operate my FT817 in

> Feb -- sure beats a Lead Acid or a power supply.

> 

> Cheers,

> Dave.

> -- 

> David Ingram (VK4TDI)

> Real email: dave at ingramtech dot com

> Brisbane, Queensland, Australia

> http://www.ingramtech.com/

> MGRS: 56J MQ 991583 Maidenhead Grid Square: QG62lm

> 

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