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Sphere



Member Since: 26 Apr 2013
Location: Midlands
Posts: 724

United Kingdom 2015 Defender 110 Puma 2.2 USW Keswick Green
Ctek charger as mains hookup

Anyone used this to keep the battery topped up on site? All my stuff runs off 12v so don’t need mains but longer site stays mean battery juice runs out.

Post #758899 15th Feb 2019 10:37pm
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Sulisuli



Member Since: 30 Oct 2016
Location: South west
Posts: 2396

United Kingdom 2015 Defender 90 Puma 2.2 HT Corris Grey

I have one permanently connected to my boat battery year round and only disconnect when I use the boat. I have an alarm powered off the battery and it works fine as a set up Thumbs Up Being a sewage diver at least I know how deep the 💩 will be at work today.
2015 HT XS 90
2008 SVX 90
2000 XS TD5 90

Post #758907 15th Feb 2019 11:32pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 3732

2006 Defender 110 Td5 USW Zermatt Silver

That’s basically how a motorhome works. As much stuff as possible uses 12v, not 240v, and the 240vmains is used to top up the batteries.

Post #758913 15th Feb 2019 11:54pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 2695

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green

it depends on how many amps you are drawing.

in theory

if you have a 10 amp charger charging a battery then the battery will still start to discharge as soon as you pull more than 10 amps with your load but it will discharge at 10 amps less than without the charger.

when the load goes below 10 amps then the battery will start to charge at 10 amps minus the load

10 amps isnt much and is only equivalent to 12v x 10 amps = 120 watts . so upto 120 watts the battery will charge, above 120 watts the battery will eventually discharge, how long it takes depends on battery size and the load.

Ctek chargers have a power supply mode and it say this in their user manual

Supply program 13.6V/10A
Use as 12V power supply or use for
float maintenance charging when 100%
capacity of the battery is required.
Supply program activates step 7 without
time or voltage limitation


https://www.ctek.com/storage/ma/488f428c02...-UK-EN.pdf DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

Post #758921 16th Feb 2019 7:21am
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 1701

United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey

Hello All

My search brought me here, and a recent thread too... Thumbs Up

I also think I have a need to keep the Defenders Battery topped up.

I had a slow then subsequently non start...due to a flat battery.
Vehicle has had little use for about 1 month, but with 2-3 starts to move it short distances on the property.
I suspect that the Trackers that are both on a permanent live feeds, may be the issue here (but don't know for sure)
My Trackers have caused no issues to date <5 years use.
New LR Battery 1 year old (so currently discounting that it may be faulty)

So questions for those in the know with electrickery...

What is the simplest way to measure the drain on the battery (when off / stationary) Question
I'd like to know my starting position, so possibly determine with a fully charged battery how long my
current set up would last allowing me to reliably start the Defender (have left it for 2 weeks at an airport
with no issues, but maybe I was lucky).

What is the best way to plug the Defender into the mains and top up the Battery Question
I do this for a caravan and essentially that's what I want to do...just Plug it in like an 'electric vehicle'
(sorry... off to the naughty step) SKIP.

Post #764488 20th Mar 2019 5:43pm
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Keith5



Member Since: 27 May 2016
Location: Scotland
Posts: 242

United Kingdom 2012 Defender 110 Puma 2.2 USW Santorini Black

X4skp

We use a c tek 5.0 to top up the battery while camping. I have this plugged into a mains socket in the back and charge via a permanently live hella/Din socket that we run the fridge on when moving.

No reason why you couldn't consider similar when parked up at home.

Keith Keith

Post #764491 20th Mar 2019 5:56pm
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 1701

United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey

Thanks Keith5

Playing catch up here...

Martin looks to have already thought this one through...
http://www.disco3.co.uk/shop/index.php?act...oductId=45

I have 13Pin towing electrics installed


So it would appear that is my way in with a Ctek Charger


Anyone done this on D2N Question SKIP.

Post #764506 20th Mar 2019 7:11pm
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 4981

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Sold quite a few to members here Mr. Green  1988 90 Td5 NAS soft top Cool
2015 D90 XS SW Mr. Green
2006 D110 CSW (Dad's)

Nanocom, IID, Forscan and Webasto diagnostics available in North Oxfordshire

Post #764529 20th Mar 2019 8:19pm
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ericvv



Member Since: 02 Jun 2011
Location: Near the Jet d'Eau
Posts: 5551

Switzerland 2009 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black

^^ Oh yes, several to me alone. Thumbs Up
Those “Martin plugs”, a genuine 12S or a 13pin plug, plus a Ctek charger are the most practical way to keep your battery in good shape. By the way, last week I chatted with the Ctek reps at their stand at the Geneva Motor Show, and they said the various versions of the MXS5.0 are probably the best charger they ever made. They said for home use on a Defender battery no higher amps version is needed. I now use the MXS5.0 Polar version which has thicker more rubbery connecting cables than the standard MXS5.0 which remain more flexible and durable in freezing temps. Ctek also just launched a newer version of the MXS5.0 now again, white colour and this one provides info of how long it will take to fully charge up the battery it gets plugged in to.
Eric


Click image to enlarge
 You never actually own a Defender. You merely look after it for the next generation.
http://youtu.be/yVRlSsJwD0o
https://youtu.be/vmPr3oTHndg
https://www.youtube.com/watch?v=_GtzTT9Pdl0
https://www.youtube.com/watch?v=ABqKPz28e6A
https://www.youtube.com/watch?v=rLZ49Jce_n0
https://www.youtube.com/watch?v=XvAsz_ilQYU
https://www.youtube.com/watch?v=K8tMHiX9lSw
https://m.youtube.com/watch?v=dxwjPuHIV7I
https://vimeo.com/201482507
https://www.youtube.com/watch?v=ZSixqL0iyHw

Post #764586 21st Mar 2019 5:39am
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smb



Member Since: 15 Jan 2013
Location: Cheshire
Posts: 1190

United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Santorini Black

Martins ctek plug adapter saved me a fortune when my disco had a flat battery and couldn’t get in. Plugged it in and left it for 30mins and it was enough to activate the central locking. Such a handy adapter it’s surprising ctek didn’t come up with the idea. Very well made too Thumbs Up Bow down
Best way to keep vehicle connected on trickle charge and as experienced great way to put power to the battery if your locked out due to flat battery

Post #764622 21st Mar 2019 9:20am
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 1701

United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey

Neat solution Martin (well done)
thanks also for the product advice Ericvv and real world use smb...

The CTEK MXS 5.0 Polar looks like it will need some tracking down in the UK, but I like
the idea of a true 4 seasons product, I'm assuming that it has a reasonable IP rating also.


Click image to enlarge



Click image to enlarge




Thanks D2N Thumbs Up SKIP.

Post #764630 21st Mar 2019 10:35am
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 1701

United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey

MXS 5.0 Polar unavailable in the UK (not cold enough)

Standard MXS 5.0 is available


Click image to enlarge
 SKIP.

Post #764825 22nd Mar 2019 1:11pm
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macfrank



Member Since: 05 Nov 2015
Location: somewhere in the north
Posts: 177

Germany 2015 Defender 110 Puma 2.2 SW Keswick Green

The Polar has IP 65 just like the MXS 10. The 10 has a temperature sensor to compensate for cold batteries. the 10 is spec'd to -20°C, the Polar to -30°C.
I have the 10 hooked up to keep both 100Ah batteries topped up.

Post #765349 25th Mar 2019 7:17pm
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X4SKP



Member Since: 29 Nov 2013
Location: Berkshire
Posts: 1701

United Kingdom 2010 Defender 90 Puma 2.4 SW Stornoway Grey

Hello All

Went for the MXS 5.0 as it will cope with the 90AH Standard Battery on my 90...

Click image to enlarge


CTEK 'Value Pack' (£83) includes a 2.5M Extention Cable + Wall Bracket for the Charger...

Click image to enlarge


All ellements look to be nicley made, with a good look and feel overall + clear instruction...

Click image to enlarge


Carry bag too shows order of connection...

Click image to enlarge


Found a 'shower proof' container from Masterplug (£5) which with a slight adaption (Dremel)
will provide an additional protective layer for the CTEK...

Click image to enlarge


Picked up an external Plug Housing with RCD fitted (also from Masterplug £20) so again outside use is
further protected...

Click image to enlarge


Will make some orange cable length adjustments, but this is my basic set up, I will also be able to connect
this off the mains input for our Caravan, so both Batteries will charge when on site and hooked up.

Click image to enlarge


Martin's 13Pin CTEK Adaptor Plug (top left above) makes this whole set up work simply.
I worked backwards from the ability to just being able to 'plug into the defender' avoiding the need to get to the Battery Compartment (I have security layers here too which adds to the time / sequence necessary to achieve this). There are various quality levels of 13Pin plugs and this one looks to be really good, no loose pins, or flash marks from a poor mould, the rubber seal used stepping down to the CTEK wiring also fits really well, and the Plug is 15A fused. A nicely fitting Green Cap seals off the whole thing when not in use, lastly a laminated Battery On Charge notice to help prevent a non disconnected drive away... Shocked SKIP.

Post #766502 2nd Apr 2019 11:42am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 4045

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue

How would a Ctek cope with two batteries/same age/same make&spec hooked up together? 1999 Defender TD5 110

Regards
John M0VAZ
Do you know what a nemesis is?

Post #766516 2nd Apr 2019 1:23pm
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