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Bodgeitjo
Member Since: 07 Apr 2021
Location: Kent
Posts: 16
  
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Hi I’m looking to install a leisure battery in the aux battery box connected with the t max duel battery charger. But my main question is can I run my solar panel ( with controller) straight to the leisure battery without causing any trouble to the main starter battery or car system . If that makes sense cheers.
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 9th Jun 2021 1:18 pm |
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dgarside
Member Since: 17 Jan 2010
Location: Holmfirth
Posts: 734
  
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No you will need to run via a solar charger or other charge controller. Have a look at Victron or even a Dc Dc charger like Ctek 250se. Loads of different options and articles around. RLD CB Bracket
RLD Spare Wheel Protector
RLD Sump Protector
ProSpeed Compressor Cover
TPMS Retrofit
Range Rover Digital Dash Upgrade
Tesla Style Android Screen Upgrade
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| 9th Jun 2021 9:01 pm |
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Motolab
Member Since: 18 Oct 2019
Location: Sleen
Posts: 1820
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It always looks simple… t-max or other knock of from The IBS split-charger but it is more complicated if you want a thrustworthy system and real use of the dual battery…
Especially if you do NOT use the exact same batteries, as most of us do, since you need a auxillary battery as a second one and not a starter…
As degarside says… for me it is Dc dc charger for me.. i bought a redarc BCDC1225D
Note: i had a IBS split charge system… with optima auxiliary battery, with use of a Snowmaster fridge last summer and solar panel.. i experienced its disadvantages…
With the redarc, full battery capacity available, with the same batteries…as in my former split charge setup..
Perfect for different batteries and solarpanel use…. Not cheap though…. Order one from australia, good offers there…
Edit: added “as in my former Split charge setup” Best regards
Harold
Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year
Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. 
Last edited by Motolab on 10th Jun 2021 10:52 am. Edited 1 time in total
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| 9th Jun 2021 9:16 pm |
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Kelvo
Member Since: 07 Aug 2015
Location: Perth WA
Posts: 264
 
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Bodgeitjo wrote:But my main question is can I run my solar panel ( with controller) straight to the leisure battery without causing any trouble to the main starter battery or car system.
Yes you can, without any issues. I do this with my D4. MY14 TDV6
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| 9th Jun 2021 10:48 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8227
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 yes. It can when others can't,
It will when others won't,
It goes where others don't.
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| 10th Jun 2021 8:13 am |
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Bodgeitjo
Member Since: 07 Apr 2021
Location: Kent
Posts: 16
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Cheers guys
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| 10th Jun 2021 5:43 pm |
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Moo
D3 Decade
Member Since: 13 Aug 2010
Location: UK
Posts: 14403
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I hd a T-Max linked to an Odessy battery and the main starter battery for 7+ years. I used to just connect a solar panel to the Odessy battery with croc clips when camping and get on with life. No problems and no issues. D4 HSE EU6 (Known as Jeeves)
New Defender L663 110 SE (known as Noddy!) Sold
Sold Volvo XC90 R-Design (known as Basil)
Sold - D4 HSE (Known as Gerty)
No longer the Old Buses original owner 
231,000 miles and counting
05 S manual owned from March 2005
D4 Face lifted
Still original injectors and turbo
V8 Front brakes
BAS Remap, Allisport Intercooler and deCat
EGRs blanked
T-Max split charge
Hanibal Expeedition rack
Prospeed ladder
Duratrac tyres
IID BT
BAS FBH control
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| 10th Jun 2021 10:03 pm |
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Bodgeitjo
Member Since: 07 Apr 2021
Location: Kent
Posts: 16
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That’s what I’ll do then😜
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| 11th Jun 2021 8:38 pm |
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Motolab
Member Since: 18 Oct 2019
Location: Sleen
Posts: 1820
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If the question was meant purely: can i do it, wil it do no harm… well yes you can do it..
More charging related… and is it a good effecient setup? .It all depends on what you want and need regarding battery use and battery life..
If you need it for just day trips, a basic setup with spiltcharge will do, if you want a serious fridge running on overlanding trips and not drive, everyday the whole day at 60 mls / hour or more…. Or the sun is not everyday a fullpower, or your solarpanel is not very big, or you use different type’s of batteries…. You will need a DC to DC charger imho…. To make the most of it…
I learned the harder way…. And warm beer on the third day  … Best regards
Harold
Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year
Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc.
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| 12th Jun 2021 10:34 am |
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