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WellDrivenJames



Member Since: 03 Feb 2020
Location: Cambridgeshire
Posts: 15

United Kingdom 
Battery question - leaving the car for a few weeks

I will be locking my P38 up for the first time since I bought it for about 2 weeks as I will be testing a couple of press cars and I am yet to leave the car more than 2 days without being used. The previous owner whacked a new battery on when I bought the car a few weeks ago and although firing up can be a little slow in the mornings, there doesn't seem to be any battery issues.

My question is, am I better off disconnecting the battery for the 2 weeks I will not be using it, or should I just leave it assuming all will be well as it has now done about 350 miles on a new battery? Normally I wouldn't even ask as I would still expect it to start after only 2 weeks, but I know these cars can drain all their power in less time.

Thanks in advance.

Post #544395 19th Feb 2020 10:44am
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Baltic Blue



Member Since: 13 Aug 2015
Location: Oldham
Posts: 2380

United Kingdom 2011 Range Rover Vogue SE TDV8 Baltic Blue

If it is likely to be a regular thing that you leave it for 2 weeks or more, then you would be wise to invest in a CTEK battery charger to leave it on trickle charge and keep the battery in tip top condition.
I regularly leave my L322 for periods of 4weeks, so I have a cable permanently attached to the rear fuse box, so it only takes seconds to plug it in.
Mike G reg 2.5VM Vogue Portofino red 1991- 1999
V reg 2.5td P38 Rioja red 1999- 2006
53 reg td6 Vogue Oslo blue 2006- 2015
11 reg 4.4 TdV8 Vogue SE. Baltic blue 2015- date.

Post #544404 19th Feb 2020 12:35pm
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WellDrivenJames



Member Since: 03 Feb 2020
Location: Cambridgeshire
Posts: 15

United Kingdom 

That is in my longer-term plan as I also want to wire in an easy access point.

Out of interest, which CTEK unit did you use? I've been looking at the MXS 5.0 but have no idea what I'm looking at, if I'm being honest... Laughing

Post #544410 19th Feb 2020 1:11pm
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Baltic Blue



Member Since: 13 Aug 2015
Location: Oldham
Posts: 2380

United Kingdom 2011 Range Rover Vogue SE TDV8 Baltic Blue

Mine is the MXS 5.0, and it works well. G reg 2.5VM Vogue Portofino red 1991- 1999
V reg 2.5td P38 Rioja red 1999- 2006
53 reg td6 Vogue Oslo blue 2006- 2015
11 reg 4.4 TdV8 Vogue SE. Baltic blue 2015- date.

Post #544412 19th Feb 2020 1:47pm
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WellDrivenJames



Member Since: 03 Feb 2020
Location: Cambridgeshire
Posts: 15

United Kingdom 

Perfect, thanks - added to the eve-growing list of bits!

For the time being, I think it should be alright, I'm just going to check it and run it every few days.

Post #544413 19th Feb 2020 1:52pm
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Bloke



Member Since: 13 May 2019
Location: On the road to Oban
Posts: 42

Scotland 

Lower cost option.

https://www.fullfatrr.com/forum/topic54567.html

Post #544416 19th Feb 2020 2:54pm
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Benfelrr



Member Since: 27 May 2012
Location: Wiltshire
Posts: 237

United Kingdom 2007 Range Rover Vogue TDV8 Tonga Green

My 2001 Vogue P38 will happily sit for over two weeks with no negative effects on the battery. I am sure you already know but the drain issues tend to come from the older remote receiver in the boot for the key fob or a electrical drain somewhere.

Without sounding like I am teaching you to suck eggs. Did the previous owner fit the proper sized battery? These cars are meant to have the large ones that totally fill the tray not the normal sized car batteries. You can live with the smaller batteries but in my experience they chew through them.

All that said, there cannot be any harm at all in a trickle charging system too. 2003 VW Golf V6 4motion
2001 Range Rover Vogue 4.6
2007 Audi A6 Avant Le Mans Quattro S-Line 3.0 TDI
2007 GSX-R 750 K7

Post #544424 19th Feb 2020 3:57pm
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DrRob



Member Since: 16 Apr 2015
Location: Hampshire
Posts: 1378

United Kingdom 2011 Range Rover Vogue SE TDV8 Buckingham Blue

My mate used to have a solar charger on his dashboard when he left it at Heathrow. The key alarm system keeps waking it up and that drained it. Solar panel solved it Thumbs Up 2011 4.4 TDV8 Vogue SE Buckingham Blue
1993 200 Tdi Range Rover Classic - labour of love
--------------------------------------------------
2012 SDV6 Range Rover Sport - gone
2012 Freelander - gone
Series 2A V8 Lightweight - gone
1952 80" - gone
1949 80" - still in family since 1975

Post #544439 19th Feb 2020 6:46pm
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Sandyt



Member Since: 07 Nov 2013
Location: Wraysbury Windsor
Posts: 1641

United Kingdom 2007 Range Rover Supercharged 4.2 SC V8 Buckingham Blue

I would disconnect the battery mine will go just about two weeks but any more and its a no no I use a cute on the p38 the l322 is used everyday and the classic is disconnected. It depends where it will be parked if in public the solar trickle charger may work. I have one for the p38 but have never used it must have a go

Post #544527 20th Feb 2020 9:17am
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WellDrivenJames



Member Since: 03 Feb 2020
Location: Cambridgeshire
Posts: 15

United Kingdom 

Benfelrr wrote:
My 2001 Vogue P38 will happily sit for over two weeks with no negative effects on the battery. I am sure you already know but the drain issues tend to come from the older remote receiver in the boot for the key fob or a electrical drain somewhere.

Without sounding like I am teaching you to suck eggs. Did the previous owner fit the proper sized battery? These cars are meant to have the large ones that totally fill the tray not the normal-sized car batteries. You can live with the smaller batteries but in my experience they chew through them.

All that said, there cannot be any harm at all in a trickle charging system too.


Thanks for the info, the previous owner is a well versed Range Rover owner and has an L322 now, he put in a big battery so it should be fine. I'm going to check it and give it a run every few days. It will be a bit of a test to see how it copes being left for a few weeks at a time when we go on holiday, instead of just using different cars.

Post #544537 20th Feb 2020 10:35am
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WellDrivenJames



Member Since: 03 Feb 2020
Location: Cambridgeshire
Posts: 15

United Kingdom 

DrRob wrote:
My mate used to have a solar charger on his dashboard when he left it at Heathrow. The key alarm system keeps waking it up and that drained it. Solar panel solved it Thumbs Up


I've had a look at a few of these - definitely an option as I like the idea of being able to keep it healthy without running off of the house mains

Post #544538 20th Feb 2020 10:36am
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WellDrivenJames



Member Since: 03 Feb 2020
Location: Cambridgeshire
Posts: 15

United Kingdom 

Sandyt wrote:
I would disconnect the battery mine will go just about two weeks but any more and its a no no I use a cute on the p38 the l322 is used everyday and the classic is disconnected. It depends where it will be parked if in public the solar trickle charger may work. I have one for the p38 but have never used it must have a go


My only real reservation with disconnecting the battery is the inevitable christmas tree on the dash when I reconnect it. If I can carry on without having to do that it would be ideal. I think either a solar or main trickle charger will be the longer term option for me.

Post #544539 20th Feb 2020 10:38am
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