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Frans@yamorna
Member Since: 20 Jan 2010
Location: Tzaneen
Posts: 22
  
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Hi,
I have a NL system in my D3 with a 70ah 2nd battery.As with most duel systems it is not used for long periods,and when used is abused.What is best under these circumstances,to disconnect the negative after the battery is fully charged or to just leave it to the NL to manage?Any other suggestions to help the battery last longer?On all my other vehicles I just left every thing to the split charge,but it was no fancy systems with a lower charging rate,without any problems.
Great site!!!!
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 Mon Mar 01 2010 7:15am |
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heine
Member Since: 07 Feb 2007
Location: Midrand
Posts: 3893
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Leave it to do it's thing . Just make sure that you never leave the battery in a discharged state for too long - shouldn't happen if you drive the car all the time though
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| Mon Mar 01 2010 8:58am |
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Baben
Site Sponsor
Member Since: 15 Feb 2006
Location: Kyalami
Posts: 1605
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If you leave the NL to manage it, it will give it a small top-up charge every time you drive for more than 3 minutes. This is probably good for the battery. Unlock your 4x4 info, 3-flash indicators, sort out your leaning suspension and more.
Performance enhancement available for most vehicles, but we specialise in Land Rover turbodiesel
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| Mon Mar 01 2010 11:57am |
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Kabous
Member Since: 11 Jul 2007
Location: Mokopane
Posts: 143
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Was thinking about the 2nd battery just yesterday, it's sitting there in a sometimes very hot engine compartment. A.F.A.I.K. batteries need constant mild temperatures to last long. I would think putting the 2nd battery inside the vehicle might be a better option, or not? I also think that a 2nd battery in the engine compartment should last only around 2-3 years because of the high temps it will be operating in. Thoughts/ comments on this? 2007 TDV6 HSE. LR rear entertainment ala Nick, ARB Bar, Warn XD9000 winch, Lightforce spots,NL dual battery system,FR towbar, FR roofrack + ladder. General Grabber AT2's. TT Box.
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| Tue Mar 02 2010 3:00pm |
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Deondef
Member Since: 08 May 2007
Location: Randburg
Posts: 778
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Batteries have been "living" quite happily inside engine compartments for years - so IMHO I do not think itis a problem. I owned a VW Caravelle with battery underneath passenger seat and all Defenders have the batteries underneath passenger seat and I do not believe that they "live longer".
Batteries inside vehicles add a lot of risk in the event of an accident and should not be recommended for every day vehicle usage.
I reckon the best quote for batteries is "use it or lose it". Batteries perform at its best when it is used and topped up on a regular basis.
I have recently invested in a Optima for the 2nd battery in my D3 and only time will tell if this investment will last longer than the "normal 3-4 yeas" for a deep cycle battery D3 S '07. Dual battery system. Upgraded tow hitch. Mantec skid plate. Frontrunner rr. Tmax double headed built in compressor
Defender TD5 110 CSW '00. "With everything"
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| Tue Mar 02 2010 5:05pm |
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Ent
Member Since: 12 Oct 2007
Location: Gt Eccleston
Posts: 1843
 
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Kabous wrote:Was thinking about the 2nd battery just yesterday, it's sitting there in a sometimes very hot engine compartment. A.F.A.I.K. batteries need constant mild temperatures to last long. I would think putting the 2nd battery inside the vehicle might be a better option, or not? I also think that a 2nd battery in the engine compartment should last only around 2-3 years because of the high temps it will be operating in. Thoughts/ comments on this?
if this was the case why would 99% of most vehicles have a cranking battery located under the bonnet? It doesn't get any hotter under a D3 bonnet than it would if you had a battery mounted inside the cabin when parked outside in the miday sun. Club Exped trailer
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| Tue Mar 02 2010 7:14pm |
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heine
Member Since: 07 Feb 2007
Location: Midrand
Posts: 3893
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Nice add uhm avatar 
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| Tue Mar 02 2010 10:57pm |
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Baben
Site Sponsor
Member Since: 15 Feb 2006
Location: Kyalami
Posts: 1605
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Ent - I second that 
va-va-vooooooom! Unlock your 4x4 info, 3-flash indicators, sort out your leaning suspension and more.
Performance enhancement available for most vehicles, but we specialise in Land Rover turbodiesel
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| Wed Mar 03 2010 1:40pm |
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