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ptplumber



Member Since: 03 Aug 2020
Location: worcestershire
Posts: 11

United Kingdom 
ctek charger

I already have a charger, albeit only a 3.8v. its perminately connected to the toy in the garage atm.
My question, would it be much use if i connected it to the FF, or would i benefit from a more powerful model, that will be connected via the towing electrics, specially as winter is coming and the wife will probably use the pre heat

Post #569720 13th Oct 2020 3:50pm
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mjdronfield



Member Since: 04 Nov 2011
Location: Derbyshire
Posts: 7605

United Kingdom 2011 Range Rover Vogue SE TDV8 Buckingham Blue

I’m sure that if the battery isn’t flat, that will be fine to keep it topped up and maintained.

Obviously it will take longer to build it back up from a low charge.

I have had a CTEK 7 for many years and had no issues on my 4.4TDV8 if you want something bigger.

Thumbs Up 2011 Range Rover Vogue SE 4.4 TDV8

Previous cars :
2003 Range Rover Vogue TD6
1999 Discovery Td5 ES
1995 BMW M5 3.8 6 speed
1992 Range Rover 3.9 Efi Vogue
1992 BMW M5 3.8
1988 BMW 735i SE
1989 Ford Sierra XR4x4 2.9i
1981 Ford Fiesta Supersport

Post #569722 13th Oct 2020 4:00pm
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DrRob



Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4204

United Kingdom 2011 Range Rover Vogue SE TDV8 Buckingham Blue

I have the mxs 10 as it also has the Supply Mode feature to allow a clean 12V for powering the car when doing diagnostics etc.
It also charges quickly Rolling with laughter 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
New Defender D300 90 on order so "Rory" will be going to a new home....!
1974 Series 3 Lightweight = "Millie"
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

Post #569732 13th Oct 2020 6:09pm
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Strider



Member Since: 08 Jun 2015
Location: Hertfordshire
Posts: 497

England 2007 Range Rover Vogue SE 4.2 SC V8 Zermatt Silver

I have the mxs 10 as it also has the Supply Mode feature to allow a clean 12V for powering the car when doing diagnostics etc.

+1 Thumbs Up

Post #569761 13th Oct 2020 9:21pm
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Siftah



Member Since: 11 Jun 2018
Location: Barcelona
Posts: 326

Spain 2011 Range Rover Vogue TDV8 Stornoway Grey
Re: ctek charger

As a rule of thumb, if the battery is 12v (which I believe they all are), then the only difference will be in the time it takes to charge the battery, it will still charge.

There can be differences across battery chemistries, for example a lead acid battery needs different charging routines than a lithium ion or other type of battery - but again, the RR only has lead acid (SLA and AGM variants, I believe).

I'm curious about the idea of charging via the towing electrics, that sounds very convenient and something I should look into as I suspect I'm going to suffer from flat batteries quite often (working from home etc!)

Post #569900 15th Oct 2020 4:01pm
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Stephen.125



Member Since: 25 Jun 2009
Location: Frodsham
Posts: 1489

2011 Range Rover Autobiography 5.0 SC V8 Santorini Black

+1 for MXS-10 excellent and as said he supply mode is very useful for valeting or diagnostics etc.

Thumbs Up Formerly happymadison1978

Post #569906 15th Oct 2020 4:26pm
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400-ascona



Member Since: 25 Jan 2018
Location: Midlands
Posts: 65

United Kingdom 2005 Range Rover Supercharged 4.2 SC V8 Java Black

I have the CTEK 5.0 and connectors on all the cars so that I can plug them in and keep them topped up. Having the connector hard wired to the battery means that even if they are outside, I can hide the mains plug and unit under the bonnet, out of the weather. Rob 05 L322 4.2SC
2016 Discovery 4 Graphite
Lotus Carlton
Ascona 400
Volvo V70R AWD manual
Suzuki 1200 Bandit
Velocette Venom
BMW R80/7
Daimler V8 250
Mini Cooper S Works 2006

Post #569914 15th Oct 2020 5:16pm
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Classic Matt



Member Since: 05 Sep 2020
Location: West Sussex
Posts: 72

United Kingdom 

Interesting point about the pre-heat - can it be used with a battery conditioner attached? Or does that depend on the conditioner?

Post #569917 15th Oct 2020 5:23pm
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mjdronfield



Member Since: 04 Nov 2011
Location: Derbyshire
Posts: 7605

United Kingdom 2011 Range Rover Vogue SE TDV8 Buckingham Blue

I’ve had no issues charging mine from the towing electrics. It has also been fine when it’s been connected and I’ve used the fuel burning heater.

The only thing I read, was that maybe the actual battery voltage might be slightly higher than it detects, due to the loss in the wiring.... which may cause it to charge a bit longer than needed. No idea if that’s really an issue though.

Thumbs Up 2011 Range Rover Vogue SE 4.4 TDV8

Previous cars :
2003 Range Rover Vogue TD6
1999 Discovery Td5 ES
1995 BMW M5 3.8 6 speed
1992 Range Rover 3.9 Efi Vogue
1992 BMW M5 3.8
1988 BMW 735i SE
1989 Ford Sierra XR4x4 2.9i
1981 Ford Fiesta Supersport

Post #569919 15th Oct 2020 5:50pm
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Classic Matt



Member Since: 05 Sep 2020
Location: West Sussex
Posts: 72

United Kingdom 

Good to know - thank you.

I might run a line out to mine via some conduit from the garage to connect to the towbar electrics just in case.

Post #569926 15th Oct 2020 6:31pm
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Siftah



Member Since: 11 Jun 2018
Location: Barcelona
Posts: 326

Spain 2011 Range Rover Vogue TDV8 Stornoway Grey

mjdronfield wrote:
I’ve had no issues charging mine from the towing electrics. It has also been fine when it’s been connected and I’ve used the fuel burning heater.

The only thing I read, was that maybe the actual battery voltage might be slightly higher than it detects, due to the loss in the wiring.... which may cause it to charge a bit longer than needed. No idea if that’s really an issue though.

Thumbs Up


Thanks for this, hadn't thought of that but yeah, it's definitely possible. I'd hope the difference would be so small as to not affect the charging, but it probably depends on the gauge of the cable used - I can't imagine it would be an issue.

Easy to check with a DMM, check the voltage at the battery and compare to that at the towbar! Smile

The ctek looks handy as it also has a 10amp power supply, which would make it useful when camping as I could run my little electric coolbox off the mains hook-up, so that's another little bonus Smile

Post #569928 15th Oct 2020 7:04pm
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