On Thu, 1 Jan 1998, Zoran Kostic wrote:
> "Renewals " ?
> Wtah are these, if i may ask? Never heard of that ?!?
Rayovac's brand of RECHARGEABLE ALKYLINES. THey have a special charger
for them and everything.
Rich
> As far as the battery drainage is the issue, I have just looke at my
> ft-10's manual, and it says that the consumption is 150uA when the power
> is turned off. I don't know about ft-50, though.
> This looks small, but is very serious, compared to zero, as with 'normal'
> radios. Calculate how much the battery will last with 150uA consumption. I
> think i have done this before, and the result was no more than about ten
> days. If someone could confirm this?..
> Also, i guess that this current can vary larely, from radio to
> radio.
> Probably, there are units vith much lower power-off current
> I have built CMOS circuits with different components, with
> standby consumption varying very, very much...3-5 times more or less is
> not too unexpected.
> If standby current drops to just 50Ua, then your batt will last three
> times more. If it comes to about a month, then you can't see the
> difference between this and nicd self-discharge rate.
> Some books say nicad-s discharge about 1% per day, average!
> If you loose 30% after one month, your batt is not fully charged at the
> beginnig, and it is old, so it is capable to deliver about 80% of
> nominal... Things tend to go downhill :) very easily.
> Then add 150uA (for ft-10) on top of this, and... you see what i mean ?
>
> Probably yaesu has a fix for this, i don't know. I recharge my batt often,
> and use it regularly, so i can't notice these effects :)
>
> On Wed, 31 Dec 1997, Wild Bill Marcus wrote:
>
> > How old are the NiCad's on the 50r in question? NiCad packs will go bad
> > like mentioned after a year or two. Of course there are those who's
> > battereis last forever, but they take realy good care of them, and rarely
> > use them. NiCads in general will only last for a limited number of
> > charge-discharge cycles. This is why the "Renewals" have become popular.
> > They can be recharged about 25 times, more then most rechargable akalines.
> > Bill Marcus, N3WNC
> > http://www.qsl.net/n3wnc/
> >
> > --
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> >
>
>
> --
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>
--
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