[Battery] Questions

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honsbeek - 29 Nov 2005 17:34 GMT

Hello,

I'm not sure if I can ask this here but I'm sure someone will kno
I am looking at this product a an option for an Ipod Video for extr
power

http://catalog.belkin.com/IWCatProductPage.process?Product_Id=148969

Now it supposedly take 4 AA Alkaline batteries to attach to the Ipod'
dock to extend when Battery power is depleted. Now I want to know i
it would make any difference if I use 4 x AA sony Ni-Cd 2500 mA
rechargeble batteries insted. That way I can recharge instead o
using the throw away Alkaline's.

By the way what mean "mAh" anyway , does it refer to the capacity o
power of the battery

So do you think this product would break down or worse the ipod woul
break if high capacity rechargeble batteries would rush through thi
device?

Thank you so much

Ralph HOnsbe

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John Popelish - 29 Nov 2005 19:15 GMT

> Hello,
>
[quoted text clipped - 9 lines]
> rechargeble batteries insted. That way I can recharge instead of
> using the throw away Alkaline's.

It almost certainly won't hurt anything if you use Ni-Cad or NiMh
cells, instead of alkalines, but the voltage will be lower, since both
of the rechargeable types put out about 1.2 volts per cell, while
the fresh alkalines put out about 1.5 volts. So the battery indicator
will probably never read full voltage.

> By the way what mean "mAh" anyway , does it refer to the capacity or
> power of the battery?

That is an abbreviation of the product of milliamperes of output
current times hours of operation... milliampere hours. Yes, it is a
measure of the energy capacity of the batteries, assuming some nominal
range of usable output voltage.

> So do you think this product would break down or worse the ipod would
> break if high capacity rechargeble batteries would rush through this
> device??

No. As long as the cells produce no more voltage than the 4 alkalines
do, the IPOD will draw the same current. Larger cells just last longer.

> Thank you so much
>
> Ralph HOnsbek

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Dan Hollands - 29 Nov 2005 22:53 GMT

The one other possible disadvange with rechargeables NiCd is that they have
a high self discharge rate.
Thus if you charge them but don't use them for a few days you may find them
discharged.

Dan

Signature

Dan Hollands
1120 S Creek Dr
Webster NY 14580
585-872-2606
dhollan3@rochester.rr.com
www.QuickScoreRace.com

> Hello,
>
[quoted text clipped - 20 lines]
>
> Ralph HOnsbek

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honsbeek - 30 Nov 2005 09:34 GMT

got ya,

many thanks for clearing that u

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Electronics Forum / Basics / November 2005

[Battery] Questions