 | Home > Modifications & Maintenance (L663) > Anyone fitted a split charge dual battery |
 
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| hopalong Member Since: 15 Nov 2020 Location: ade Posts: 14  
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it is a siphon system no pump to fail ,a simple length of garden hose with valve and a separate breather ,
To get water pull hose from behind seat back and lower nozzle below tank level and open valve, to fill tank connect this pipe to a water supply , simples and effective. |
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18th Dec 2023 5:04am |
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| JackW Member Since: 09 Jan 2017 Location: Roswell, Georgia Posts: 115  
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So we finally had a break in the cold wet weather so I could get out in the driveway and do some more work on the dual battery/redarc installation. I had to figure out exactly where to place the isolator, BCDC 1225, four different fuse holders and how to run the wires to connect everything.
Here is what I have so far - need to get some 1/0 and 8AWG battery cable to connect everything together. I have a good idea how I want everything connected but that is all subject to change.  Click image to enlarge Click image to enlarge |
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16th Feb 2024 8:20pm |
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| Moo Member Since: 01 Oct 2021 Location: UK Posts: 1398 
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Very neat.
 Eiger Grey MY23 D250 SE with bits. Known as Noddy. |
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16th Feb 2024 10:51pm |
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| JackW Member Since: 09 Jan 2017 Location: Roswell, Georgia Posts: 115
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Got all of the hardware mounted today where its all going to fit. I ordered some cable and terminals from NAPA which will be here tomorrow so I can start wiring everything up on Tuesday. Fishing the positive cable up to the terminal under the right hand passenger seat looks like its going to be lots of fun. With just a few hours of work this little project should be complete - pictures to follow.
I decided to rotate the Redarc BCDC 1225 90 degrees so I could see the LED indicators better and to make it easier to run the cables between the various components. |
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19th Feb 2024 1:43am |
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| Moo Member Since: 01 Oct 2021 Location: UK Posts: 1398
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This is where I'm at:
Dual function deep cycle / starter battery in the engine bay sitting on a bracket from Saltek connected to a Lensun solar panel on the bonnet through a MPPT controller. This should keep both batteries charged. I've bought the parts, just need to fit them. I would then just make the rear 12v socket permanently live and think about adding in some additional sockets. https://newdefendermods.com/products/new-d...amp;_v=1.0 https://www.lensunsolar.com/index.php?rout...8IQAvD_BwE https://www.gobatteries.co.uk/products/bat...batteries/ In addition to this I'm debating whether to add in a Lithium battery in the boot (trunk) floor as well or just take a power bank that I can charge when driving and also via solar. I like your setup though, very neat and professional. Look forward to seeing it fully installed. Eiger Grey MY23 D250 SE with bits. Known as Noddy. |
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19th Feb 2024 10:06am |
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| JackW Member Since: 09 Jan 2017 Location: Roswell, Georgia Posts: 115
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Got all of the wiring hooked up today EXCEPT for the positive connection cable from the main battery under the passenger seat back to the 100 amp fuse the leading outside edge of the battery box. This looks like its going to be LOTS of fun routing the cable under the rear seat and through a narrow cavity to the original battery. I'm going to have to remove the entire rear seat base (lots of fasteners of odd sizes) to get access to where some one else - thankfully - has done something similar. This has been an "interesting" challenge so far and I think its about to get even more engaging. Since I plan on using the 110 this weekend to lead a Land Rover ride in Tennessee I'm going to wait until next week to explore what I am sure is going to be the most challenging part of the installation. Overall I'm pretty pleased with how its turning out.
Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge |
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23rd Feb 2024 1:39am |
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| Mark1107 Member Since: 19 Oct 2020 Location: Los Angeles Posts: 74
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I was all in 2k including installation. Li po lithium battery that can back up the whole vehicle. Runs separate but can bridge with factory battery. Changed ccf settings that the vehicle doesn't wake up when trunk and passenger doors are opened saves battery life when camping.
Solar panel on roof backs up 2nd battery while in the bush. Runs our big boy dometic fridge freezer. Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge Click image to enlarge I was all in 2k including installation. Li po lithium battery that can back up the whole vehicle. Runs separate but can bridge with factory battery. Changed ccf settings that the vehicle doesn't wake up when trunk and passenger doors are opened saves battery life when camping. Solar panel on roof backs up 2nd battery while in the bush. Runs our big boy dometic fridge freezer. Click image to enlarge 2022 Defender Trek Competition 110 collectors edition! 2020 Defender 110 P400 Full Explorer Pack 7 Seater HSE Fuji White(sold) 2020 SVO Range Rover L405 Full Size Spectral Blue Chromaflair 2014 Range Rover L405 Autobiography Full Size Aintree Green 2014 Dodge Viper GTS Stryker Green |
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1st Apr 2024 8:19pm |
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| Moo Member Since: 01 Oct 2021 Location: UK Posts: 1398
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Cool. Didn't realise you can isolate the rear doors. That's a big help re power usage.
Eiger Grey MY23 D250 SE with bits. Known as Noddy. |
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1st Apr 2024 9:39pm |
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| Lockley Member Since: 15 Feb 2023 Location: Herefordshire Posts: 16 
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Hi. Are you able to recall and share the CCF setting to disable the Pivi wake-up that you mention above? Thanks. L663 D300 SE MY22. |
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2nd Apr 2024 12:00pm |
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| OVRLANDR Member Since: 16 May 2022 Location: New York Posts: 42
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I would be interested in these CCF changes as well.
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3rd Apr 2024 7:55pm |
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| Moo Member Since: 01 Oct 2021 Location: UK Posts: 1398
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Ditto.
Eiger Grey MY23 D250 SE with bits. Known as Noddy. |
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3rd Apr 2024 10:51pm |
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| Bob Heijnen Member Since: 29 Nov 2022 Location: Noordwijk Posts: 17 
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Same here, the CCF setting would be very helpful.
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8th Apr 2024 12:53pm |
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| ODPA Member Since: 06 Jul 2023 Location: Northwest Posts: 86
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I will add myself to the list of those interested in the CCF changes. Would love to hear what you did. Also did you use the GAP tool or other platform to adjust the CCF’s. Going to have to look through my vehicles CCF files I printed to see if I can see what might make this work. Not sure me asking as well will get an answer but one can hope. |
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17th Apr 2024 1:56am |
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| JackW Member Since: 09 Jan 2017 Location: Roswell, Georgia Posts: 115
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Well I finally had the time to figure out how to run the cable from the battery under the passenger seat back to the second battery under the rear floor - it was a lot more involved than I thought and took a different route than others I've seen. I couldn't fish the positive cable through under the rear floor mats with major disassembly of the interior so I figured out a way to run it out the bottom of the battery compartment, under the body protected by the rock sliders and then back into the rear of the car through an unused hole I found near the rear seat back. It turned out pretty well - I just need to remake one short positive cable and I'll hook everything up for a test tomorrow. I'm trying to have the dual battery setup operational for the Uwharrie event next weekend.
I'll shoot some pictures and post them as soon as I give it a test run. |
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4th May 2024 1:46am |
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