[Elecraft] KX1 Lithium Batteries

Thu Dec 18 06:34:00 2003

Looks like the only rechargeable the have are NiMH.  Maybe I'm missing 
something

At 06:38 PM 12/17/2003, [email protected] wrote:
>Eveready has good data on their cells including lithium. 
>http://www.eveready.com/ and click on Technical Information
>
>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]]On Behalf Of Phil Wheeler
>Sent: Wednesday, December 17, 2003 4:14 PM
>To: Daniel Brinneman
>Cc: [email protected]
>Subject: Re: [Elecraft] ****KX1 Lithium Batteries****
>
>
>Use of the correct terminology is best.
>
>The AA cells we use in the standard KX1 battery holder are Lithiums
>(nominally 1.5 V or so) and cannot be recharged.  I like them for their
>long life, light weight (maybe 60% of alkalines) and low temperature
>operation.  I use them in my LED headlamp (100 hrs rated) and my GPS
>receivers -- since I do quite a bit of winter/snow backpacking and
>dayhihking.
>
>Most if not all of the 3.6 V cells I've seen are Lithium Ion or Lithium
>Polymer and can be recharged -- carefully -- using a charger designed
>for them (e.g., Maha C-777Plus or C-777Plus II).
>
>I've not found the latter in an AA configuration, but it would sure be
>neat if someone knows of such!
>
>Caveat:  Though an EE, battteries are not my area of expertise (hmmm ..
>not sure I have any such areas left anymore!)
>
>73, Phil
>
>Daniel Brinneman wrote:
>
> >Hi Elecraft gang,
> >
> >What is the standard battery voltage being used for the AA Lithium 
> batteries in the KX1?  Do lithiums last a long time no matter the voltage 
> rating?? Some of my finds below are used as CMOS/underwater/security 
> batteries and I think that one of them states to have a slow current drop-off.
> >
> >
> >On this note I have found two links that would benefit the user.  If you 
> would like to do some tests on more expensive batteries. 1st test use 
> these 3.6V AA packaged lithiums just like you use the 1.5V lithiums. See 
> how long they last. See Link(s)::
> >
> >
>
>
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73, Chas,  W1CG
K2 462b, 3571 