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SHARKYSHARKS
Member Since: 20 Dec 2008
Location: Saddleworth Lancs
Posts: 618
  
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To many short journeys,
webasto preheat on, heated seats on, demisters on, front and rear heated screens on, headlamps on, radio on, phone activation on, and with a new battery replaced by L/R. My D4 can't replace power consumption in the short journey's we have been doing lately, so ive resorted for the winter trickle charge overnight via 12s tow socket,
works a treat... just keeps the battery topped up.
Reccomended for the short journeys we'll be making over the chrimbo break.  44 Tonne 12 Litre 6x2 Scania T cab (Current)
Ex D1
Ex D2 GS
Ex V8 D2 GS
Ex D3 S
Club skip ya lockers !!!
Club BAS remote heater !!
Club General Grabber AT
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 Sat Dec 18 2010 5:59pm |
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MrH
Member Since: 08 Aug 2007
Location: Fooked if I know, and who cares anyway
Posts: 4128
 
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Yup, been doing exact same. Threaten to do it last year, even bought the 12S plug, but never got around to ptting it all together until this week.
Works an absolute treat
For those of you who what to know how - Click here for pin out and details
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| Sat Dec 18 2010 6:03pm |
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Supercharged
Member Since: 07 Oct 2006
Location: Northants
Posts: 160
 
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So what do you you use to transform mains voltage to the 12S plug?
I have a 12S plug already from my camper van, but that goes into a control box/transformer inside the vehicle. distributing power to the batteries. The Disco does not have such a thing so surely you need to transform before the 12S plug in this case?
Or am I just not "getting it"? Paul
D4 HSE Zermatt Silver / Ebony
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| Sat Dec 18 2010 7:03pm |
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NickJ
Member Since: 11 Oct 2010
Location: left a bit
Posts: 935
 
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Okay, I know this is a D4 thread but I assume my D3 will be the same; are we talking about shoving 12v from a battery charger into the car via the 12S socket's permanently live pin and therefore presumably this goes to the battery then this effectively charges the battery without having to open the bonnet and put croc clips on?
I though that LR recommended the cables are disconnected from the battery when charging, so that the charger is connected only to the battery, and not also to the car in any way? Without a shepherd, sheep are not a flock
Last edited by NickJ on Sat Dec 18 2010 7:26pm. Edited 1 time in total
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| Sat Dec 18 2010 7:22pm |
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Phil1644
Member Since: 14 Nov 2009
Location: Probably still in work!
Posts: 303
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Supercharged wrote:So what do you you use to transform mains voltage to the 12S plug?
A few people are using one of the caravan type plugs on their battery chargers 12V output to trickle charge their car, I am about to do the same.
Definately dont connect the mains to your car 
I have just ordered the RING RSC500 trickle charger that has "soft start" and a max output of 0.8A and can be connected to the car without disconnecting the battery.
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| Sat Dec 18 2010 7:22pm |
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crwoody
Member Since: 09 Mar 2009
Location: The birthplace of British aviation
Posts: 1293
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NickJ wrote:
Snip
I though that LR recommended the cables are disconnected from the battery when charging, so that the charger is connected only to the battery, and not also to the car in any way?
I would assume their reasoning for that statement is because they're playing safe. Since there are loads of different kinds of charger out there, they would always advise for a worst-case condition. If you were to use a high power "booster" or Fast charger, the battery terminal voltage can rise to a much higher voltage than would be experienced in normal operation, eg. being charged from the alternator, resulting in frying the cars electronics.
With a low current trickle charger or a properly regulated and controlled "conditioning" charger like one of the Ctek ones, there should be no possibility of an excessively high charge current damaging the cars electronic systems due to over-voltage, simply because the charger is incapable of generating enough current for that to occur, therefore removing the need to disconnect the battery.
I've used a Ctek "clone" (same spec as the MXS3600, but a lot cheaper from Lidl) on my D3 and numerous times on previous Td5 Defenders without disconnecting the battery and never had a problem. Clive
http://www.youtube.com/watch?v=3ozHRzUd4kg&feature=relmfu
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| Sat Dec 18 2010 7:56pm |
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SHARKYSHARKS
Member Since: 20 Dec 2008
Location: Saddleworth Lancs
Posts: 618
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The way i do it is to:
1. Make up a 12s lead using pin 4 battery + voltage and pin 3 Battery - voltage, and attach battery clamps on the other end of the lead.(ensuring correct polarity)
2. Plug lead into vehicle 12 s socket and attach other end of cable to a spare slave battery.
3. Plug battery charger onto spare battery on a trickle setting, which means the mains charger is not directly plugged into your D3 or D4 but is still getting topped up via the slave battery.
SIMPLES
You can make the lead as long as you like i plug in run the lead under my garage door and switch on, Ensures Battery is always in full charge..
PS. Remember to unplug in the morning could be embarassing dragging battery and charger to work 44 Tonne 12 Litre 6x2 Scania T cab (Current)
Ex D1
Ex D2 GS
Ex V8 D2 GS
Ex D3 S
Club skip ya lockers !!!
Club BAS remote heater !!
Club General Grabber AT
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| Sat Dec 18 2010 8:23pm |
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Robbie
Member Since: 05 Feb 2006
Location: Waiting for my old avatar to be allowed back... we miss her!
Posts: 1309
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I plug my D3 in to a CTEK 7000 via the 12S throughout the winter period and it works a treat.
I also loop a red ribbon over the steering wheel to remind me not to drive off in the morning with the house still attached.
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| Mon Dec 20 2010 7:32pm |
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SHARKYSHARKS
Member Since: 20 Dec 2008
Location: Saddleworth Lancs
Posts: 618
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Red Ribbon good idea
But do not think it would work for me as i do worry when the wife is taking it, she might think, ''Oh how considerate he even gives me ribbons in the morning'', and still take the garage door, charger and extension leads with her
So if i know swmbo is taking it, i always disconnect before i go to work, as my wife would step over the cable to get in the car, and then drive off, just can not take the risk !!! 44 Tonne 12 Litre 6x2 Scania T cab (Current)
Ex D1
Ex D2 GS
Ex V8 D2 GS
Ex D3 S
Club skip ya lockers !!!
Club BAS remote heater !!
Club General Grabber AT
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| Mon Dec 20 2010 8:34pm |
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