 | Home > In Car Electronics > Ctek charger as mains hookup |
 
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| Sulisuli Member Since: 30 Oct 2016 Location: South west Posts: 4795   
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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
 2015 HT XS 90
2008 SVX 90 2000 XS TD5 90 |
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15th Feb 2019 10:32pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5726 
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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.
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15th Feb 2019 10:54pm |
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| LR90XS2011 Member Since: 05 Apr 2011 Location: bickenhill Posts: 3643 
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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 |
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16th Feb 2019 6:21am |
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| X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295 
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Hello All
My search brought me here, and a recent thread too...
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) 
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
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 https://www.defender2.net/forum/topic83242.html |
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20th Mar 2019 4:43pm |
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| Keith5 Member Since: 27 May 2016 Location: Scotland Posts: 354 
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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 |
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20th Mar 2019 4:56pm |
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| X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295
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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 SKIP
https://www.defender2.net/forum/topic83242.html |
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20th Mar 2019 6:11pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6610 
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Sold quite a few to members here
 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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20th Mar 2019 7:19pm |
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| ericvv Member Since: 02 Jun 2011 Location: Near the Jet d'Eau Posts: 5816  
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^^ Oh yes, several to me alone.
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 |
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21st Mar 2019 4:39am |
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| smb Member Since: 15 Jan 2013 Location: Cheshire Posts: 1232 
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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
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 |
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21st Mar 2019 8:20am |
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| X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295
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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 SKIP
https://www.defender2.net/forum/topic83242.html |
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21st Mar 2019 9:35am |
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| X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295
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MXS 5.0 Polar unavailable in the UK (not cold enough)
Standard MXS 5.0 is available Click image to enlarge SKIP https://www.defender2.net/forum/topic83242.html |
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22nd Mar 2019 12:11pm |
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 1081  
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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. |
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25th Mar 2019 6:17pm |
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| X4SKP Member Since: 29 Nov 2013 Location: Berkshire Posts: 2295
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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...  SKIP
https://www.defender2.net/forum/topic83242.html |
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2nd Apr 2019 10:42am |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5850 
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How would a Ctek cope with two batteries/same age/same make&spec hooked up together? 1999 Defender TD5 110
Regards John M0VAZ Econet Station 48 no clock |
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2nd Apr 2019 12:23pm |
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