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dodger
Member Since: 01 Nov 2006
Location: cardiff
Posts: 33
  
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Does anyone have experience of fitting a battery isolator. I have picked up the comments about making sure the vehcle goes to "sleep" before disconecting the battery. Wondered if any others issues might raise their head!
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 30th Nov 2006 6:07 pm |
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christyler
Member Since: 31 Dec 2005
Location: Cork, Ireland
Posts: 1168
 
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Why do you want to fit an Isolator ??
I wouldnt think that it is a good idea, many of the D3's systems require the power to be on to retain memorys and stuff, your remote unlock won't work for example. CLUB "Ah Shor it'll be grand"
First D3 in the World with a Hydraulic Winch.
2006 Disco 3 TDV6 S Auto,
Diff Locks, Turbochipped, Raised Air Intake, 220volts Onboard, Onboard Compressor, Large Bore Exahust, Underbody Protection, One or two Other Mods as well.
Other toys include, Argo Avenger 8x8, Tatra 6x6 Motorhome (Being Built)
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| 30th Nov 2006 7:23 pm |
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Chris200100
Member Since: 22 Mar 2006
Location: Nr Cardiff
Posts: 532
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you would be better off fitting a second battery.
Thats what I've done with my D3
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| 30th Nov 2006 9:32 pm |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
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There is a transit relay fitted pre-delivery to isolate the battery (along with a software 'transit mode') but you will have to use the key to unlock the vehicle and the alarm will be inoperative - assuming the isolator has a minimum of 120 seconds delay...
Some of the vehicle systems require permanent power to operate correctly, removing power will cause erroneous DTC's to be stored and may cause errors to be displayed.
It may make sense to fit a parallel battery or an external charging socket 
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| 30th Nov 2006 10:27 pm |
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dodger
Member Since: 01 Nov 2006
Location: cardiff
Posts: 33
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Thanks for the replies on this one chaps,the issue is that the vehicle will be locked up inside for a number of months at a time and I would not want to leave it on an unattended trickle charge for any lenght of time. will look at the additional battery idea and maybe activate the transit mode.
Thanks again.
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| 1st Dec 2006 11:21 am |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
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in that case, just take the battery out and leave it somewhere warm-ish, transit mode can only be invoked by the dealers
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| 1st Dec 2006 11:24 am |
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dflo
Member Since: 04 Jul 2006
Location: Wading in and out of it...
Posts: 1361
 
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There was an article in LRM this month (January) on this issue (p189) that raved about a small unit from Draper...
http://www.drapertools-online.com/b2c/b2ci...kmno=63147
Now, I know NOTHING about it but the article was very positive... I don't know if it would screw up any of the the D3 electrics... (TFC?) "Funny, mine doesn't do that......."
Last edited by dflo on 1st Dec 2006 4:39 pm. Edited 1 time in total
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| 1st Dec 2006 12:09 pm |
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10forcash
Member Since: 09 Jun 2005
Location: Ubique
Posts: 16534
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it's only rated at 12 volt output - a battery needs higher (up to 15.6V in the case of a D3) to charge, the best that could be achieved is that the alarm will run on the 400mA output...
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| 1st Dec 2006 12:42 pm |
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Pelyma
Member Since: 06 Jan 2005
Location: Patching, Sussex
Posts: 15496
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What about the ctek charger/conditioners, they are supposed to be great. I know someone who uses it on their DB9 as these flatten the battery in 3 weeks DS3 TDV6 HSE - Silver with Alpaca (old one) Gone
DS3 TDV6 HSE- Silver with Alpaca (new one) Gone
D4 HSE Lux - Montalcino Red Gone
Porsche Cayenne V8 Diesel S
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| 1st Dec 2006 2:19 pm |
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drivesafe
Member Since: 23 Feb 2006
Location: Gold Coast, Australia
Posts: 867
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Hi dodger, it’s always a bit of a dilemma leaving a vehicle unused for months at a time.
Isolating the battery or removing the battery is not the answer, the battery will still go flat when leaving it for more than a month or so
Even if the battery still has enough power to start the vehicle after such along period, there’s still a good chance that the battery’s life span will be degraded.
There is no real drama with leaving a battery on a trickle charger for long periods. Over here, many farmers leave ag vehicles powered like this for months at a time and I’ve not heard of any problems.
As to that trickle charger, I think, by the way they have listed the output voltage, that it uses the battery’s internal voltage as a form of crude but effective regulator, so it would actually be about 250ma at 13.5 volts.
This is heaps for keeping a battery trickle charged.
If you don’t like the idea of have a transformer powered up all the time then another alternative would be to fit a solar trickle charger.
In your situation, fitting a second battery wouldn’t really solve the problem.
Cheers 2008 TDV8 RR Lux + 2009 D4 2.7
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| 17th Dec 2006 11:49 am |
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