[Yaesu] Charging LITHIUM battery vs Temp.vs Hybrid auto batteries

rbethman rbethman at comcast.net
Thu Mar 5 12:17:34 EST 2009


The vast majority of hybrid automotive batteries are NOT Li.

They are NiMh.

Bob - N0DGN

kc3vo at aol.com wrote:
> See also: "powerstream.com/li.htm"--look near page bottom, 
> under"SAFETY", see reference to 0 to =45 degrees C temperature range, 
> for charging. There is also available, for $119.00, a book, by Samuel 
> C. Levy, published by SPRINGER PUBLISHING,- sold by "Barnes and Noble" 
> among others, and this book goes into great DETAIL about the hazards of 
> lithium and other batteries.  73, KC3VO, Bob Curry
>
> -----Original Message-----
> From: kc3vo at aol.com
> To: WBrown at e1b.org; yaesu at mailman.qth.net
> Sent: Thu, 5 Mar 2009 11:20 am
> Subject: Re: [Yaesu] HAZARD-Charging LITHIUM battery vs Temperature
>
>
>
> Go to: "batteryspace.com" --click on SAFETY (at the top of page) scroll
> down, and READ about charging.--There are other, similar sites!
> (OR-IGNORE this, charge the batteries at 20 degrees F, or above 120
> degrees F, and do not complain if you destroy the battery, or produce a
> fire! As they say, I have "led the horse to water, but I cannot make
> him drink"--In the end, it is YOUR battery, your house, your money-do
> as you please! (although many devices have temperature sensing, to
> PREVENT such abuse, for reasons of liability)73, KC3VO, Bob Curry
>
>
> -----Original Message-----
> From: WBrown at e1b.org
> To: yaesu at mailman.qth.net
> Sent: Thu, 5 Mar 2009 11:06 am
> Subject: Re: [Yaesu] HAZARD-Charging a new battery for VX5R
>
>
>
> Can someone substantiate these claims with links to reference material?
> Preferably no stories about a friend who had one blow up on their
> kitchen
> table or about laptop batteries burning up their truck. :)
>
> --
> May you solve interesting problems
>
> William Brown
> KB2TOY
>
> KC3VO wrote on 03/05/2009 11:00:04 AM:
>
>   
>> It is true for perfectly GOOD Lithium ION/Polymer batteries! At or
>> below 32 degrees F, charging will cause pure lithium to plate out of
>> solution, rendering the battery hazardous, and damaging it. Good
>> chargers will not charge in a cold environment because of this! (If
>>     
> all
>   
>> else fails, read the manual) High temperature charging varies
>>     
> according
>   
>> to exact battery chemistry and charger type, but most are not advised
>> to be charged above 110 degrees F, many have even lower limits. KC3VO,
>> Bob Curry
>>
>>
>> -----Original Message-----
>> From: Keith Dutson <kdutson at sbcglobal.net>
>> To: KC3VO at aol.com; tsjohnson at jsb-partners.com
>> Cc: yaesu at mailman.qth.net
>> Sent: Thu, 5 Mar 2009 9:33 am
>> Subject: Re: [Yaesu] Charging a new battery for VX5R
>>
>>
>>
>> AFAIK this is only true for defective batteries.
>>
>> 73, Keith NM5G
>>
>> -----Original Message-----
>>  From: yaesu-bounces at mailman.qth.net
>> [mailto:yaesu-bounces at mailman.qth.net]
>> On Behalf Of KC3VO at aol.com
>> Sent: Wednesday, March 04, 2009 12:19 AM
>> To: tsjohnson at jsb-partners.com
>> Cc: yaesu at mailman.qth.net
>> Subject: Re: [Yaesu] Charging a new battery for VX5R
>>
>> Do not charge LITHIUM batteries in the COLD!  Attempting to do so, you
>> will
>> separate out the LITHIUM metal, as a pure electroplate, and damage the
>> battery/create a firebomb, if the charger does not stop you! These,
>>     
> and
>   
>> most
>> other batteries should be charged at normal room temperature, near 75
>> degrees F.
>> Other batteries may charge poorly, but it can be DANGEROUS to charge a
>> litium battery that is too cold or hot!
>>                                                    Please be
>> careful!--73,
>> KC3VO-Bob Curry **************Need a job? Find employment help in your
>> area.
>>
>>     
>
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-- 
Bob - NØDGN



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