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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6260

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
I've got a c-tek (plugged in now as it happens) but I have a tendency to forget / can't be bothered to plug it in regular.

I'm thinking of extending the plug / loop terminals such that the loops are permanently bolted to battery and plug resides under seat for easy connection (would utilise same grommet as for heated seats) Thumbs Up

will keep an eye on just how long battery lasts but seems average so far is 2-3 weeks.

not sure how such a small drain is possible with alarm and other stuff in 'sleep mode' - I wouldn't be surprised if alarm alone was in excess of 10mA ?
Post #816130 20th Feb 2020 11:15am
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muddypaws



Member Since: 22 Jan 2013
Location: Leicestershire
Posts: 122

England 2009 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
That's exactly what I am planning when I get a 'roundtoit'!

- bit of a pain pitting the CTEK on otherwise but the kit works really well for a tired or unused battery (mine's 10 years old). Richard

Defender 90 SVX
Post #816170 20th Feb 2020 5:42pm
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LR90XS2011



Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3602

United Kingdom 2011 Defender 90 Puma 2.4 XS CSW Galway Green
Caterham wrote:
I've got a c-tek (plugged in now as it happens) but I have a tendency to forget / can't be bothered to plug it in regular.

I'm thinking of extending the plug / loop terminals such that the loops are permanently bolted to battery and plug resides under seat for easy connection (would utilise same grommet as for heated seats) Thumbs Up

will keep an eye on just how long battery lasts but seems average so far is 2-3 weeks.

not sure how such a small drain is possible with alarm and other stuff in 'sleep mode' - I wouldn't be surprised if alarm alone was in excess of 10mA ?


that's exactly what I have done connector is next to the passenger door, I can close the door on the charger cable and the door seal is happy to allow the door to lock DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy
Post #816192 20th Feb 2020 7:25pm
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hornet



Member Since: 04 Jan 2010
Location: Western Europe
Posts: 310

Re: Averages - and batteries
Caterham wrote:
folk. just wondering what is typical.

I used to use the defender as an everyday motor, although I'm sure there may have been occasions when it was left for a week or so (holidays for example - although can't specifically recall) and always started.
[...]
Any advice, suggestions, bench marks etc welcome. Thumbs Up


Wouldn't it make sense to measure electricity consumption at rest first? Roughly it then would be possible to calculate the duration with the capacity of battery....
Post #819278 12th Mar 2020 2:05pm
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Supacat



Member Since: 16 Oct 2012
Location: West Yorkshire
Posts: 11018

United Kingdom 2013 Defender 110 Puma 2.2 XS DCPU Keswick Green
seriesonenut wrote:
My 110 came to me with a new battery almost three years ago and only now it feels sluggish if parked for over a week or so. Answer CTEK charger via externally mounted 'comfort' connector. I also have the benefit of the LED lights showing the status externally when not connected


Click image to enlarge
ctek by Richard Holmes, on Flickr


That’s a cracking secondary use for the snow cowl Thumbs Up

Really not a fan of putting cables in doors and closing them ~ Landrover doors especially.
Post #819297 12th Mar 2020 4:25pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7664

2011 Defender 110 Puma 2.4 USW Stornoway Grey
I dont worry about cables catching in doors, the gap is massive on most defenders. In fact I am not sure my dog wouldnt climb out through the door gaps if she wasnt so well behaved. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop
Post #819303 12th Mar 2020 4:40pm
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Co1



Member Since: 19 Aug 2018
Location: North Yorkshire
Posts: 3605

United Kingdom 2013 Defender 90 Puma 2.2 HT Loire Blue
Rolling with laughter
Post #819318 12th Mar 2020 6:27pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6260

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
LR90XS2011 wrote:
Caterham wrote:
I've got a c-tek (plugged in now as it happens) but I have a tendency to forget / can't be bothered to plug it in regular.

I'm thinking of extending the plug / loop terminals such that the loops are permanently bolted to battery and plug resides under seat for easy connection (would utilise same grommet as for heated seats) Thumbs Up

will keep an eye on just how long battery lasts but seems average so far is 2-3 weeks.

not sure how such a small drain is possible with alarm and other stuff in 'sleep mode' - I wouldn't be surprised if alarm alone was in excess of 10mA ?


that's exactly what I have done connector is next to the passenger door, I can close the door on the charger cable and the door seal is happy to allow the door to lock


Thumbs Up
Post #819338 12th Mar 2020 8:09pm
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6260

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Re: Averages - and batteries
hornet wrote:
Caterham wrote:
folk. just wondering what is typical.

I used to use the defender as an everyday motor, although I'm sure there may have been occasions when it was left for a week or so (holidays for example - although can't specifically recall) and always started.
[...]
Any advice, suggestions, bench marks etc welcome. Thumbs Up


Wouldn't it make sense to measure electricity consumption at rest first? Roughly it then would be possible to calculate the duration with the capacity of battery....


it would and I should.
what are most people seeing as an electrical load when parked up?
Post #819339 12th Mar 2020 8:10pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 19452

United Kingdom 
Pretty much all Defenders currrent draw at rest parked up varies.

I would say between 12 and 30mA would be pretty typical, you can always test your own Defender with a Multimeter too of course. Diesels Lives Matter. ⛽️🛢️👨‍🔧🧰⚙️
And if You Love the Country, then we’re on the same side ~
I got’ love for Britain, I got’ British pride’. 🇬🇧
Post #819344 12th Mar 2020 8:21pm
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seriesonenut



Member Since: 19 Nov 2014
Location: Essex
Posts: 1205

United Kingdom 
Supacat wrote:
seriesonenut wrote:
My 110 came to me with a new battery almost three years ago and only now it feels sluggish if parked for over a week or so. Answer CTEK charger via externally mounted 'comfort' connector. I also have the benefit of the LED lights showing the status externally when not connected


Click image to enlarge
ctek by Richard Holmes, on Flickr


That’s a cracking secondary use for the snow cowl Thumbs Up

Really not a fan of putting cables in doors and closing them ~ Landrover doors especially.


Exactly, no holes needed drilling in the Defender and easy enough to use without any faffing about. 2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2
Post #819345 12th Mar 2020 8:23pm
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Slideywindows



Member Since: 09 Sep 2016
Location: North Essex
Posts: 1283

England 
One of the Ninetys I bought came with a little solar powered battery maintainer.

Currently on a Series One diesel, just inside the windscreen with the wires going out the door and under the bonnet.

Seems to keep the seldom used vehicle and its (two 6 volt) batteries fresh, but of course, you have to park outside.
Post #819360 12th Mar 2020 9:48pm
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seriesonenut



Member Since: 19 Nov 2014
Location: Essex
Posts: 1205

United Kingdom 
That's interesting Charles. I keep the fire engine on charge (maintenance). I fired it up last weekend after having to park it up with no access for about 7 weeks. It started but only just. I guess the cold weather of late did not help. 6 volt batteries are expensive so not keen to replace anytime soon! 2010 XS USW
1957 Series One 88 diesel
1958 Series One 88 4x2
Post #819365 12th Mar 2020 10:31pm
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Mongolia



Member Since: 23 Jun 2013
Location: Toulouse
Posts: 45

France 
For a long storage, you can also disconnect the battery.
Post #825001 13th Apr 2020 3:21pm
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