Re: We need this for Rechargeable batteries
From: Woody (TheDuck_at_pond.net)
Date: 10/29/04
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Date: Fri, 29 Oct 2004 22:32:44 GMT
Look at the model industry. There are plenty there. Back in the 80's I
designed and built a unit that discharged and recharged a battery pack and
plotted it on the computer. You could see the deterioration of the cells on
the screen as they lost capacity. It was published in one of the radio
control magazines. That said any cell can fail at any time without
deteriorating. The best solution is carry a backup set of batteries,
especially if you are away from civilization......
"Mike Fields" <spam_me_not_mr.gadget2@comcast.net> wrote in message
news:Qizgd.331740$3l3.259590@attbi_s03...
> Well, I have seen others, but this is the one I was looking at most
> recently ...
> http://www.powerwerx.com/product.asp?ProdID=3331
>
> There is some good info on the Great Battery Shootout page at
> http://www.imaging-resource.com/NEWS/1059170617.html
> and
> http://www.imaging-resource.com/ACCS/BATTS/BATTS.HTM
> Dave talks about his own method of testing the batteries for those
> who like to tinker and make their own stuff about 3/4 of the way
> down the page under the heading "Test Methodology (Nerdy Details) ...
>
> mikey
>
>
>
> "Mike Fox" <mikenospamfox@satx.rroutspam.com> wrote in message
> news:4182b28c.3286656@news-server.satx.rr.com...
>> Anyone who has used rechargeables knows they eventually die.
>> They start out with umpteen thousand mAh [milli-Amphere hours], and
>> they get weaker and weaker as the months go by until one day the GPS
>> quits in the middle of a long hike when you're really counting on it.
>>
>> I wish someone would sell a battery capacity meter. You'd stick a
>> battery in it, and it would put a typical electical load on the
>> battery and run it flat at which time the metter would beep and show
>> the battery's current capacity in mAh.
>>
>> Lots of applications: Know when it's time to replace a battery.
>> Match batteries of similar capacity. Identify defective bateries when
>> you buy them. Etc.
>>
>> Anybody know if such a device exists?
>>
>> Mike
>
>
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