My SDV 8 has a large 2nd Battery Standard

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Originally Posted by Bails

My wants are different, I am after a second battery that will run my fridge and Cel Fi and not switch the outlets off when the ignition is off.

It looks like I will have plenty of space to put up to 100 amp hour Lipo 4 battery in. I now have to check if the standard electrical system will charge the Lipo4 OK, which I am thinking it will.

If this all works it will be a very simple upgrade ,

I will be towing a van so I may also want the ability to have the second battery connected to the van which will have it's own solar and batter source.

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I am in process of installing a second battery, Lithium slim line 100Ah battery inside the LHS in boot area with a DC/DC redarc charger plus a couple relays, which all fit nicely tucked away behind the side panel. I installed 2 Anderson outlets on the other side of the boot area in the little alcove. I have a RRS 2016 not sure yours is the same setup, but have a look..
cheers, Peewee

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Originally Posted by pwe

I am in process of installing a second battery, Lithium slim line 100Ah battery inside the LHS in boot area with a DC/DC redarc charger plus a couple relays, which all fit nicely tucked away behind the side panel. I installed 2 Anderson outlets on the other side of the boot area in the little alcove. I have a RRS 2016 not sure yours is the same setup, but have a look..
cheers, Peewee

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Welcome to the forum mate!

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Originally Posted by Bails

Now have the full workshop manual on the electrical system. Just need to "decode". do now understand how it works not sure I will be able to do the mods I wanted though. If you want a copy of the link let me know.

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Hi Bails and yes, I would very much appreciate the link.

Thank You.

Quote:

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Originally Posted by pwe

I am in process of installing a second battery, Lithium slim line 100Ah battery inside the LHS in boot area with a DC/DC redarc charger plus a couple relays, which all fit nicely tucked away behind the side panel. I installed 2 Anderson outlets on the other side of the boot area in the little alcove. I have a RRS 2016 not sure yours is the same setup, but have a look..
cheers, Peewee

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Have the same model year. Yes I am now of the opinion that the best bet is to do what you have done. You said have a look ? Where would I find this? I am thinking of putting the Lithium on the LHS , adding DC/DC and perhaps an inverter so I can charge my e-bike batteries on the go. Have you designed a battery mount ?

I have now obtained manual , so have a better idea of the system.

Range Rover Sport Dual Battery System Tray | AutoElecOz

seems like a lot of $ for a glorified bracket.

Hi Bails, are you progressing with this ? I need to do something similar... also keen for suggestions of getting power cable from new battery out the back to an anderson plug without compromising water-tightness.

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Originally Posted by Gregz

Hi Bails, are you progressing with this ? I need to do something similar... also keen for suggestions of getting power cable from new battery out the back to an anderson plug without compromising water-tightness.

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I have two Anderson Plugs , I didn't install my Son in Law did but looks neat , unsure how they exit. I am up to installing Light Bar and Cel Fi Go , Thinking for now is just run the Cel Fi from second battery as only half Amp draw.

I may leave the Lipo 4 battery install for now , need to do more research and am having difficulty getting info. I would really like to replace second battery with Lipo4 but can't get a definitive answer on my questions.

At the moment I am looking into weights for towing , I reckon I have about 500 kgs available on the rear axel , vehicle has 750 payload but rear axel weight is an issue.

I have noted the 7 seat has 200 kg higher rear axel weight but can't find out what components have been changed to allow this?

take off ball weight,, and??
I should be ok,, not planning on anything in the car behind the front seats except two puppies...
and I hope for only 200 on the ball

iTechworld are now claiming drop-in IPO4 batteries for all vehicles including those with smart alternators. I have sent them electrical system manual and asked if this would mean the second battery would still charge as I will have to replace both batteries.

If I can replace the batteries with LIPO4 I will save a lot of weight and also now have the ability to run fridge and of course charge the second battery via solar.

Let's see what turns up.