[ICOM] Output power of my 706

[Chris Mangus]

Hi Mike,

My main 2 batteries are Condorde deep cycle type, both 12v @ 110aH.  I
also have 6 Trojan 30XHS deep cycle types, 12v @ 105aH for other
purposes.

I recharge them with 160 watts of solar panels through a Xantrex C40
charge controller.

It's a pretty simple setup that works well.  It's kind of like playing
field day all year long! :)

I run my IC725 and an R75 receiver, as well as my lighting, 2
computers and monitors, wireless router, cable modem, 2 printers, and
a switch with the batteries.

Chris / N7WBZ

On 12/15/06, Mike Valentine - W8MM <mike at valentine.org> wrote:
> Chris,
>
> Thanks for the tip. I always welcome learning something new.
>
> You must have better batteries than I've used in the past.
>
> I've used batteries for "mobile power boosters" wherein I had them connected
> in parallel with a cigarette lighter power source (10 ampere rating) to
> re-charge them between SSB transmissions during VHF rover contesting.  I
> can't remember ever seeing a voltage during transmit of over 13 volts that
> lasted for more than several seconds.
>
> I was using a low internal-resistance 21 ampere-hour battery intended for
> UPS service.
>
> Cheers,
>
> Mike
>
> -----Original Message-----
> From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
> Behalf Of Chris Mangus
> Sent: Friday, December 15, 2006 8:45 AM
> To: ICOM Reflector
> Subject: Re: [ICOM] Output power of my 706
>
> Hi Mike,
>
> My station runs entirely on solar power and batteries, and has for
> years.  My batteries never drop that low.  They usually stay at
> 13.1VDC.
>
> If Steve's battery voltage is dropping that low then he is probably
> exceeding the recommended / maximum discharge rate for his
> battery(ies), or in other words, it's undersized for the job at hand.
>
> I run an Icom IC725, 100w HF rig on 2 12v 110aH batteries in parallel.
>  The rig pulls 1a in receive and 20a in transmit.
>
> Chris / N7WBZ
>
> On 12/15/06, Mike Valentine - W8MM <mike at valentine.org> wrote:
> > Steve,
> >
> > You'll be lucky to exceed 12.2 volts under load from your battery.
> > Lead-acid batteries can be charged to 13.X volts, even floated as high as
> > 14.4, but when asked to deliver a high-current load they drop to under
> 12.5
> > almost immediately.
> >
> > If you can supply full voltage from your Astron power supply, your problem
> > will disappear.
> >
> > Mike - W8MM
> >
> > -----Original Message-----
> > From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net]
> On
> > Behalf Of Paul Gates, KD3JF
> > Sent: Wednesday, December 13, 2006 3:51 AM
> > To: ICOM Reflector
> > Subject: Re: [ICOM] Output power of my 706
> >
> > No such luck! Turning the power down! I suspicion it is the battery. It is
> > just not holding 13.5 volts.I have a Astron Power Supply on the work table
> > in need of repair!
> > Paul
> >
> >
> > XE1UFO <xe1ufo at gmail.com> wrote:  Hey: perchance did you turn the Power
> Out
> > down on the menu?
> >
> >
> > >I tried it on ssb and cw every way I could think of. It seems when I
> first
> > >got the radio that on my watt meter that the needle would peak between 90
> > >and 100 watts.
> >
> > Steve, XE1UFO
> >
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> >
> ----
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>
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>