 | Home > Maintenance & Modifications > Auxiliary battery location ideas |
 
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| appaloosadude Member Since: 17 Oct 2012 Location: Buckinghamshire Posts: 630   
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Just wondered what people have done to fit secondary batteries. I've seen them fitted into the battery box, but was wondering how feasible this is, as they look very tight. I would be fitting a smaller auxiliary battery, not for winching or anything dramatic, rather for short term use of electrical items such as lamps or (small) compressor.
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17th Jan 2013 10:02pm |
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| appaloosadude Member Since: 17 Oct 2012 Location: Buckinghamshire Posts: 630
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That sounds like what I have in mind. Do you have any pics or battery specs? |
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17th Jan 2013 10:09pm |
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| SteveG Member Since: 29 Nov 2011 Location: Norfolk Posts: 660 
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Two batteries fit ok with room to spare for cabling, extra fuse block and cut off switches. Rather than add to stock battery, I went for two identical batteries from same batch and wired in parallel. Simple, but very effective.
Cheers Steve Last edited by SteveG on 17th Jan 2013 10:11pm. Edited 1 time in total |
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17th Jan 2013 10:10pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5849 
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Might be able to get some pics tomorrow if its not snowing/raining or bitterly cold I shall see what I can do. 1999 Defender TD5 110
Regards John M0VAZ Econet Station 48 no clock |
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17th Jan 2013 10:11pm |
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| JWL Member Since: 26 Oct 2011 Location: Hereford Posts: 3443  
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I've just changed my auxiliary battery and went from my old caravan battery(75ah) to a 110ah jobbie. This is fitted in the seat box along with the standard vehicle battery, just be aware the shape of the bottom of the seat box can hamper some sizes, the second battery sits on a raised portion and I sourced one off t'internet with a height of 190mm which gives it some clearance under the lid panel even if it is all the way to the back of the seat box. Still got room for the charging relay, jump leads and a few other things I haven't got round to putting on yet
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17th Jan 2013 10:53pm |
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| YeomanOfTheBar Member Since: 04 Nov 2012 Location: North Notts Posts: 206 
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Step-by-step directions from LRM/Mobile Centre:
http://www.mobilecentre.co.uk/images/Data_...ue_Sea.pdf 2013 Defender 110 XS DCPU 2016 Ford Mustang 5.0 V8 |
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17th Jan 2013 11:17pm |
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| leeds Member Since: 28 Dec 2009 Location: West Yorkshire Posts: 8581
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A couple of photos for you
 Click image to enlarge Click image to enlarge Brendan Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated  |
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17th Jan 2013 11:46pm |
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6093 
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I made one in my old 90 (although my current 110 has an ex Wolf unit.
The wolf one fits optimas in OK, but the top clamp won't fit them (as the top of the batteries is too wide) so made my own one up with a piece of flat bar. For the 90, I just got a flat piece of steel (think it may have been chequer plate) fairly beefy, 3 or 4mm thick. and welded on a piece of box along one edge. box was the same width as the recess is in the battery box.. can't remember what it is, about 30 or 40mm I think. Bolted this down to the bottom of the battery box, placed the batteries in where I wanted them, marked for the upright studs either end and one in the middle. Removed the plate, drilled the holes and welded a nut under each hole. Then refitted and used some studding (6mm I think, or 8mm, depends on what we had at work), cut the studding to length (height of the battery plus 1/2" or so) and welded a nut to the end of each one, to make a long bolt. cut a piece of flat bar to cover the batteries (about 30mm x 5mm) and drilled it to match the holes in the lower plate. then bolted the lot together. Unfortunately not got any piccies of this setup. Pics of the proper wolf mount in my 110: The holes and studs on this wolf bracket lined up perfectly with holes already in my Td5 seatbox :up Click image to enlarge Click image to enlarge Withe the proper "wolf" clamp: Click image to enlarge Home made clamp: Click image to enlarge Batts in sit: Click image to enlarge Click image to enlarge As per the factory (military spec): Click image to enlarge |
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18th Jan 2013 6:53am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2640  
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It's a tight fit in the Puma but it can be done:
--
2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged
Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ |
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18th Jan 2013 7:22am |
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| deep down Member Since: 02 May 2012 Location: France Posts: 204  
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Brendan/Naks
Just looking at your photos, did you still use the original battery connector with the Mega fuse in? |
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18th Jan 2013 9:41am |
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| Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2640
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I left it at the auto electrician for the installation, so I cannot answer -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged
Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ |
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18th Jan 2013 9:47am |
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| SteveS Member Since: 05 Oct 2010 Location: Devon & Berkshire Posts: 388 
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Twin Odyssey installation
Click image to enlarge It is tight but with a D44 tray you can get two serious batteries and fuses, relays etc in the space |
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18th Jan 2013 6:41pm |
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| leeds Member Since: 28 Dec 2009 Location: West Yorkshire Posts: 8581
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If you look at the top let hand corner of the photo you can see the original red cap with the mega fuse on side of the battery. Extra slots were cut in the cover for the additional 35mm2 cable. Brendan |
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18th Jan 2013 7:14pm |
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| deep down Member Since: 02 May 2012 Location: France Posts: 204
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Finished the installation of the dual battery system.
It is a bit of a squeeze, extra flexible battery cable is the answer. I went for the Blue Sea Marine auto charge system and extra fuse box and whilst I was at it fitted an Anderson connector. I already had the Yellow top Optima but has to go for a Red top for the starter so I could use the original positive battery connector, the posts are too far in from the edge on the yellow top. I also had to change the direction of the cable coming off the bottom of the Mega fuse to allow it to fit. Click image to enlarge Click image to enlarge Click image to enlarge |
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2nd Feb 2013 6:15am |
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