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Old 11-22-2005, 07:01   #1 (permalink)
Nigel Hewitt
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Batteries

I've looked back over recent battery posts but nothing
obvious helps. I park up my N reg HSE RR outside the
house and take of for a week's Red Sea Scuba holiday
and when I get back it is flatter than a very flat
thing. Not: won't crank but: nothing even glimmers.

The battery is 70AH and a year old. Is there
something draining it that I can unplug? Assuming it
was reasonably charged when I left it to kill it like
this implies nearly half an amp of drain but when I
charged it and put it back nothing seemed to be drawing.

What am I doing that's stupid here?

nigelH


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Old 11-22-2005, 07:01   #2 (permalink)
rads
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Re: Batteries

On Tue, 22 Nov 2005 13:58:19 +0000, "Nigel Hewitt"
<nigelhewitt@hotmail.co.uk> wrote:

>I've looked back over recent battery posts but nothing
>obvious helps. I park up my N reg HSE RR outside the
>house and take of for a week's Red Sea Scuba holiday
>and when I get back it is flatter than a very flat
>thing. Not: won't crank but: nothing even glimmers.
>
>The battery is 70AH and a year old. Is there
>something draining it that I can unplug? Assuming it
>was reasonably charged when I left it to kill it like
>this implies nearly half an amp of drain but when I
>charged it and put it back nothing seemed to be drawing.
>
>What am I doing that's stupid here?
>
>nigelH
>


Some info here:

http://www.rangerovers.net/repairdet.../batdrain.html

Also, I hear that Oregon Scientific weather stations can use a
frequency which somehow keeps part of the electronics awake.

Serves you right for sodding off to the Red Sea whilst the rest of us
are shivering at Stoney.

HTH

David

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Old 11-22-2005, 09:01   #3 (permalink)
Nigel Hewitt
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Re: Batteries

rads wrote:
> Also, I hear that Oregon Scientific weather stations can use a
> frequency which somehow keeps part of the electronics awake.


<sigh>
So it's out with the spectrum analyser then.
I never thought I'd have to use that on the car...

> Serves you right for sodding off to the Red Sea whilst the rest of us
> are shivering at Stoney.


????
<looks out of window>
But the sea is still warm and flat so if you're
diving Stoney Cove it's self inflicted.

nigelH


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Old 11-22-2005, 11:01   #4 (permalink)
Austin Shackles
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Re: Batteries

On or around Tue, 22 Nov 2005 13:58:19 +0000, "Nigel Hewitt"
<nigelhewitt@hotmail.co.uk> enlightened us thusly:

>I've looked back over recent battery posts but nothing
>obvious helps. I park up my N reg HSE RR outside the
>house and take of for a week's Red Sea Scuba holiday
>and when I get back it is flatter than a very flat
>thing. Not: won't crank but: nothing even glimmers.
>
>The battery is 70AH and a year old. Is there
>something draining it that I can unplug? Assuming it
>was reasonably charged when I left it to kill it like
>this implies nearly half an amp of drain but when I
>charged it and put it back nothing seemed to be drawing.
>


sounds like the infamous alarm thing. I assume it's a P38A type RR?

basically, something interacts with the alarm and causes battery drain. I
forget the details...

AndyC will be along in a bit, or someone else savvy in this.
--
Austin Shackles. www.ddol-las.net my opinions are just that
Appearances: You don't really need make-up. Celebrate your authentic
face by frightening people in the street.
from the Little Book of Complete B***ocks by Alistair Beaton.
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Old 11-22-2005, 12:01   #5 (permalink)
Huw
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Re: Batteries


"rads" <radsxxunspamxx@xxunspamxxdavidradley.freeserve.co.uk> wrote in
message news:5u96o1h9riq7dslkeuadhl1hpp944h29u3@4ax.com...
> On Tue, 22 Nov 2005 13:58:19 +0000, "Nigel Hewitt"
> <nigelhewitt@hotmail.co.uk> wrote:
>
>>I've looked back over recent battery posts but nothing
>>obvious helps. I park up my N reg HSE RR outside the
>>house and take of for a week's Red Sea Scuba holiday
>>and when I get back it is flatter than a very flat
>>thing. Not: won't crank but: nothing even glimmers.
>>
>>The battery is 70AH and a year old. Is there
>>something draining it that I can unplug? Assuming it
>>was reasonably charged when I left it to kill it like
>>this implies nearly half an amp of drain but when I
>>charged it and put it back nothing seemed to be drawing.
>>
>>What am I doing that's stupid here?
>>
>>nigelH
>>

>
> Some info here:
>
> http://www.rangerovers.net/repairdet.../batdrain.html
>
> Also, I hear that Oregon Scientific weather stations can use a
> frequency which somehow keeps part of the electronics awake.
>
> Serves you right for sodding off to the Red Sea whilst the rest of us
> are shivering at Stoney.
>


Both BMW X5 had the problem, leaving my wife stranded at a railway station
twice, and early Mk111 Range Rovers as well.
They are all sorted now and my own Mk111 has not let us down once yet.

Huw


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Old 11-22-2005, 12:01   #6 (permalink)
Nick
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Re: Batteries

This problem is also covered in detail here;

http://www.lrenthusiastforum.com/ubb...e=5#Post310748

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