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Dual Battery on a 4.0 V6 (1GR-FE)
Dear All, First of all, I'm a big fan of PradoPoint although I come a long way from Australia (currently living in Dubai)
I'm planning to install a Dual Battery System on my 2012 V6 4.0 (1GR-FE) Petrol Engine, with a VSR and use the stock alternator to charge both batteries.
Things that I know (by research) :
1) The OEM alternator's output in 130 amp.
2) Maximum Amperage required to be used for my application/applienaces is 20amp (6amp Fridge/ 6amp Water pump/ 8amp for some LED lights)
What I'm planning to do:
1) Battery: Fit a 80ah Battery in the engine bay right side using a custom made bracket. I would relocate the Steering Oil Reservoir and slightly move the AC pipe (approximately 1cm)
2)VSR: I'll be using a 140amp VSR with auto cut-in at 13.3v and cut-out at 12.8v
2) Cables:
A) Install a 4B&S (25mm2) cable between the main battery (Positive +) and the VSR with a 100amp Fuse.
B) Install a 4B&S (25mm2) cable between the Aux battery (Positive +) and the VSR also hooked with a 100amp Fuse.
C) install a 4B&S (25mm2) cable (Negative -) between both batteries.
D) Install 2 4B&S Cables (+ & -) taken from the Aux Battery all the way to the rear of the car (approximately 4 meters) hooked to a distribution panel. (Positive hooked with a 30 amp Fuse)
* Maximum amp required at the back of the car is 20amp. Using a 4B&S cable to minimize the voltage drop.
QUESTIONS:
Q1) Is there anything wrong with the above?
Q2) For the 4B&S cable, can I use a copper cable that has a PVC isolation/shield with a 105 Degrees C rating for the Batteries<>VSR connection (knowing that outside temperature here reaches 50 Degrees C and Hunidity can reach up to 95% in summer) or I should use cable with EPDM-rubber isolation/shield?
I'm planning to install a Dual Battery System on my 2012 V6 4.0 (1GR-FE) Petrol Engine, with a VSR and use the stock alternator to charge both batteries.
Things that I know (by research) :
1) The OEM alternator's output in 130 amp.
2) Maximum Amperage required to be used for my application/applienaces is 20amp (6amp Fridge/ 6amp Water pump/ 8amp for some LED lights)
What I'm planning to do:
1) Battery: Fit a 80ah Battery in the engine bay right side using a custom made bracket. I would relocate the Steering Oil Reservoir and slightly move the AC pipe (approximately 1cm)
2)VSR: I'll be using a 140amp VSR with auto cut-in at 13.3v and cut-out at 12.8v
2) Cables:
A) Install a 4B&S (25mm2) cable between the main battery (Positive +) and the VSR with a 100amp Fuse.
B) Install a 4B&S (25mm2) cable between the Aux battery (Positive +) and the VSR also hooked with a 100amp Fuse.
C) install a 4B&S (25mm2) cable (Negative -) between both batteries.
D) Install 2 4B&S Cables (+ & -) taken from the Aux Battery all the way to the rear of the car (approximately 4 meters) hooked to a distribution panel. (Positive hooked with a 30 amp Fuse)
* Maximum amp required at the back of the car is 20amp. Using a 4B&S cable to minimize the voltage drop.
QUESTIONS:
Q1) Is there anything wrong with the above?
Q2) For the 4B&S cable, can I use a copper cable that has a PVC isolation/shield with a 105 Degrees C rating for the Batteries<>VSR connection (knowing that outside temperature here reaches 50 Degrees C and Hunidity can reach up to 95% in summer) or I should use cable with EPDM-rubber isolation/shield?
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