Interesting.... going to test how much room my waeco takes in the boot tomorrow.
Dorko
Not really and I suspect that this is the reason Land Rover now puts all their FFRR, RRS, D3 and D4 cranking batteries in environmentally seal compartments.
Other than cranking batteries, very few lead acid batteries can tolerate the heat of an engine bay. Lots of people have had their AGM auxiliary batteries literally go football shaped when they have mounted them in the engine bay.
Interesting.... going to test how much room my waeco takes in the boot tomorrow.
Dorko
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						Master
					
					
                                        
					
					
						What do you call it?
Dorko
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						I don't know what you were referring to as a "BOOT". I thought the D4 was similar to a D3 as to being a "wagon" which has open load space behind the 2nd row of seats. But alas, it seems that when looking at a D4 some months ago, I missed seeing a "BOOT", so wondering where the fk they managed to put that !!

 Wizard
					
					
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						Wizard
					
					
						SubscriberThere was discussion on another thread, re opening up the vent in the guard on the lh side ( sorry I cannot recall who - may have been gghaggis ? ) to get better airflow. I have successfully used computer fans to create airflow in tight places for airpumps. They are good as they draw stuffall power as long as you don't get greedy.
I suspect all of this will only extend the life of an enginebay mounted battery, and it would be damn inconvenient it it failed when out in the wild overnight.
However, balanced against that, is the fact that most dual batteries in other 4WD's, are in engine bays, and in some cases very close to turbos. The Patrol is a good case in point.
Ultimately there is only one way you are going to find out. ....ummm, don't think it will be me.
Dorko
Looks like me been in since early Nov, holds charge better than main battery,
I tow a 2.5ton van and live up in the hills ,so probably gets hot in there,
Cheers Ken
Hi Ken, is that the 55Amp hour battery?
Yes D34 optima
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