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Adding a second battery
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njhayes
 


Member Since: 24 Jan 2008
Location: Pennington, NJ
Posts: 5

United States 2006 LR3 4.4 V8 HSE Auto Tonga GreenLR3
Adding a second battery

Anyone have any suggestions for adding a second battery? I have a US spec 06 HSE... Most interested in the wiring and circuits needed for effective charging... and also where the battery is located under the hood and also how you got it mounted....

Thanks!

Nick
  
Post #25051924th Jan 2008 10:23 pm
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Slimer
Site Moderator 


Member Since: 06 Jan 2005
Location: Last Exit to Nowhere
Posts: 16295

United Kingdom 

Welcome to the site Nick Thumbs Up

Some of us just put a Optima Yellow Top in the second battery compartment and wire it to the main battery in parallel with a solenoid to disconnect it when the ignition's off, there are other options with split charge systems, a search of the site should reveal more set-ups
 The End  
Post #25058624th Jan 2008 11:26 pm
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ianv
 


Member Since: 20 Dec 2007
Location: Bungendore, New South Wales
Posts: 338

Australia 2015 Discovery 4 3.0 TDV6 Base 7 Seat Auto Fuji WhiteDiscovery 4

Hi,

I have a 2 year old installation of Optima yellow top and Piranha electronic controller with no funtional issues to report. There was an installation issue when the installer connecter the power sense lead to the electronic fan clutch controller, the one that runs the fan for a minute each time you start the vehicle. I did not find the issue for 6 months as the one minute of charging each time the engine started was enough to keep the battery topped off until I did some long driving stints with the fridge and radio going and noticed the battery appearing to not hold charge well.
 TDV6  
Post #25064725th Jan 2008 3:13 am
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simon_arch1
 


Member Since: 10 Apr 2006
Location: Melbourne Australia
Posts: 502

Australia 2006 Discovery 3 TDV6 SE Auto Buckingham BlueDiscovery 3

I'm running an Exide Orbital (http://www.exide.com.au/products/orbital.php)

I've hooked this up with the Land Rover Australia approved system for managing/charging an auxiliary battery in the Disco 3/LR3 - from www. traxide.com.au (mind you - site apperas to be down at the moment).

Worth doing!

cheers,

Simon
 D3 - Buckingham Blue, SE, TDV6, 06 model; chipped; underbody armour; Mickey Thompson ATZ 275/65-18 AND MAXXIS Bighorn muddies; rear wheel carrier from 4x4intelligence.com; iPOD aux connection! GME 3200 UHF - aerial mounted on wheel carrier Smile; LR roof rails/cross bars; Autosafe cargo barrier, Safari Snorkel; Traxide - aux battery; ARB bull bar with Tigerz11 winch; Lightforce 240 XGT driving lights (mitchell bros tow hitch to come)  
Post #25064825th Jan 2008 3:46 am
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robsmith
 


Member Since: 02 Sep 2007
Location: Staffordshire
Posts: 2391

United Kingdom 2005 Discovery 3 TDV6 S Manual Zermatt SilverDiscovery 3
Suplementary Question

How do you route a "nice heavy" feed to the back from the second battery box?

I know there's a feed for caravan hook up going back there, rated for a bout 30A, but that is a) off the main battery and b) not big enough for the inverter I want to put into the "unused" voids behind the l/h rear wheelarch.
 Rob Smith
Silver rools OK
 
 
Post #25067525th Jan 2008 8:36 am
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norto
 


Member Since: 10 Apr 2006
Location: batemans bay
Posts: 1605

Australia 2005 Discovery 3 TDV6 S Auto Chawton WhiteDiscovery 3

simon_arch1 wrote:
I'm running an Exide Orbital (http://www.exide.com.au/products/orbital.php)


Simon

Simon
What was the cost of this battery
Peter
 Pete  
Post #25068125th Jan 2008 8:50 am
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MrH
 


Member Since: 08 Aug 2007
Location: lost in the forest
Posts: 7754

United Kingdom 

Two ticks and I'll edit this post with a picture of the cable route

Here you go:





 LRs are a fond memory, apart from the maintenance. 

Last edited by MrH on 25th Jan 2008 9:05 am. Edited 1 time in total 
Post #25068225th Jan 2008 8:51 am
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PierreJ
 


Member Since: 22 Aug 2007
Location: Perth, W.A.
Posts: 448

Australia 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Slimer wrote:
Welcome to the site Nick Thumbs Up

Some of us just put a Optima Yellow Top in the second battery compartment and wire it to the main battery in parallel with a solenoid to disconnect it when the ignition's off, there are other options with split charge systems, a search of the site should reveal more set-ups


Perhaps a stupid question:Is it a time delayed solenoid, i.e. kick in a couple of seconds after the vehicle is started, or kicks in straight away when the ignition is turned?

Thanks
 Why is the fear of long words called hippopotomonstrosesquippedaliophobia?  
Post #25068625th Jan 2008 8:58 am
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heine
 


Member Since: 07 Feb 2007
Location: Midrand
Posts: 4054

South Africa 2009 Discovery 3 4.4 V8 HSE Auto Alaska WhiteDiscovery 3

Shouldn't really matter with a yellow top - it can handle the starting discharge - not so sure tho with another type of battery
  
Post #25069225th Jan 2008 9:06 am
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MrH
 


Member Since: 08 Aug 2007
Location: lost in the forest
Posts: 7754

United Kingdom 

TFC did the installation for me and I can't remember whether there is a delay on the solenoid or not - if you want technical specifics TFC's your man.
 LRs are a fond memory, apart from the maintenance.  
Post #25069425th Jan 2008 9:09 am
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PierreJ
 


Member Since: 22 Aug 2007
Location: Perth, W.A.
Posts: 448

Australia 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

Thanks Disconutter, that's very helpful. Very Happy

Heine, I take it that it's not a deep cylce then. ? Rolling Eyes
 Why is the fear of long words called hippopotomonstrosesquippedaliophobia?  
Post #25070625th Jan 2008 9:21 am
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heine
 


Member Since: 07 Feb 2007
Location: Midrand
Posts: 4054

South Africa 2009 Discovery 3 4.4 V8 HSE Auto Alaska WhiteDiscovery 3

Actually it is - but the Optimas are a much more robust battery

http://www.dcbattery.com/optima_yellow.html
  
Post #25071225th Jan 2008 9:28 am
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neo
 


Member Since: 16 Nov 2005
Location: embedded in the Matrix
Posts: 1192

England 

FWIW,

I use a bluetop Optima (for higher CCAs) and its ability to sit between red and yellow perfomance (it will do heavy discharge and deep cycle).

TFC did my dual battery install and from what I gather (Ten to confirm) it is kinda load sensing so, should you heavily discharge the aux. battery the main starter won't be flattened off at ingition on as the batteries try and level out (between themselves as they become in-parallel) due to the way that the current flows via the soleniod.

So, the main battery should be able to start the car/ECUs and handle the high charge from the altenator and still cope with the demand from the Aux battery as it needs to be charged as well.

The Altenator and and charge rates on D3 are high and the Optima and Odyssey are able to cope with this very well.
 The M-Power Express

=~ prorsus per angustias ~= 
 
Post #25072825th Jan 2008 10:00 am
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heine
 


Member Since: 07 Feb 2007
Location: Midrand
Posts: 4054

South Africa 2009 Discovery 3 4.4 V8 HSE Auto Alaska WhiteDiscovery 3

Agree that the optima blue is a better option - but for some reason in SA we only get the yellow and the red and to import a blue direct was too expensive
  
Post #25073225th Jan 2008 10:16 am
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PierreJ
 


Member Since: 22 Aug 2007
Location: Perth, W.A.
Posts: 448

Australia 2005 Discovery 3 4.4 V8 HSE Auto Zambezi SilverDiscovery 3

I'll go for Blue then. Thanks. 8)
 Why is the fear of long words called hippopotomonstrosesquippedaliophobia?  
Post #25076425th Jan 2008 11:22 am
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