Alternator

Alternator

Postby Twiggo on Thu, 30 Jul 2009 10:11 +0000

Hi
Does anyone know of an alternator upgrade for the V6. Mine wont charge aux battery and power 20A of load whilst driving and I'm sick of putting the car on charge overnight. Cheers
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Re: Alternator

Postby rodw on Fri, 31 Jul 2009 3:35 +0000

I'd be checking out the charging system first. 20 amps is not much more than a set of spotties. What have you got that is running the load? Could the battery be dodgy and not holding charge? What are you running off the inverter?
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Re: Alternator

Postby Quinny34 on Fri, 31 Jul 2009 7:27 +0000

What sort of dual battery system? I believe some a re much better than others...
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Re: Alternator

Postby bansheebuzz on Fri, 31 Jul 2009 9:03 +0000

standard alternator is 100amp(so i believe), it would have no problem doing what you state in your post. You must have a problem with the charge system or dual battery system.

There is a 130amp alternator available thou for the v6
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Re: Alternator

Postby olcoolone on Fri, 31 Jul 2009 2:44 +0000

You may have a problem somewhere if it is as bad as you say it is.

Regarding aux batteries in Hilux's, the Hilux's will not charge a battery fully due to the way the charging system is designed to work and it has nothing to do with the current output in most situations .

There is a mod you can do with a diode in the sensing wire regarding temp compensation fooling the alternator to produce a higher charge voltage but is is a very crude and stupid way of doing it. DON'T DO IT!

The Hilux will float around the 12.85 to 13.2 volts and charge at 13.5 to 13.8 volts sometimes touching 14 volts for a very short period, this is not enough to maintain and charge a battery to 100% SOC, I believe the Hilux will only charge the start battery to about 65% SOC the go into a low float (with in 10 minutes of the vehicle running).

Try it your self with a multimeter and see what readings you get, a battery needs 14 to15 volts to charge and a float voltage of 13.6 to 14 volts to bring a battery to 100% SOC ((state of charge) these values can vary due to brand and type of battery used but not capacity)).

Even thou we are only talking .5 to 1 volt difference it makes a big difference to the battery SOC.

This is also a common issue people are having with the current D4D and V6 Prado's.

We have started fitting RANOX DC-DC battery chargers to late model vehicle now to over come this problem, by using the RANOX we can charge a aux battery to 100% SOC with a 14.5 volt charge and and a 13.8 volt float at 25amps.

The RANOX will also act as a battery isolator and you can also use it to switch loads on and off when the vehicle is charging or not.

We use a RANOX on ours because the problems we had charging the two aux batterys.

There are a few other DC-DC battery chargers around like the ARID and the STIRLING but the RANOX if by far the better choice.

REDARC are about to release there new 16amp DC-DC charger in the next month or so, it has set parameters for charging different types of battery's and is water proof compared with the RANOX that is not water proof but allows you to set charge and float rates in voltage with current limiting.

Welcome to the world better fuel economy, lower emissions,new age charging systems and smart alternators.

Try fitting a AGM aux battery to a VE Commodore or FG Falcon and see what happens.
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Re: Alternator

Postby pootrol on Sat, 01 Aug 2009 11:34 +0000

how will the v6 hilux system go with just 2 identical batteries in parallel.
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Re: Alternator

Postby rodw on Sat, 01 Aug 2009 5:18 +0000

olcolone, have you got any web site links to share? I am thinking of adding a third battery...
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Re: Alternator

Postby bansheebuzz on Sun, 02 Aug 2009 1:37 +0000

i use a similar product to what olcolone uses

http://electroparts.com.au/page.php?x=18

it means the aux battery/s can be charged 100% idependant
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Re: Alternator

Postby rodw on Sun, 02 Aug 2009 2:26 +0000

bansheebuzz wrote:i use a similar product to what olcolone uses

http://electroparts.com.au/page.php?x=18

it means the aux battery/s can be charged 100% idependant



Can you supply these things mate? Can you PM me a price?
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Re: Alternator

Postby bansheebuzz on Sun, 02 Aug 2009 5:19 +0000

i will let you know a price tomorrow when i can look in my book
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Re: Alternator

Postby olcoolone on Sun, 02 Aug 2009 5:28 +0000

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Re: Alternator

Postby rodw on Sun, 02 Aug 2009 6:39 +0000

olcoolone wrote:Rod try

http://www.ranox.com.au

Thanks mate, you guys have educated me about something I knew nothing about. I think I want one!

ATM, I have a dual battery in the engine bay and as I am about to fit some drawers, I am thinking of adding another battery in the rear. So will one of these do that off the current Isolator, or don't I need the third battery with one of these gadgets?
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Re: Alternator

Postby Squid_87 on Sun, 02 Aug 2009 6:58 +0000

Make that two. Im thinkin of running triple batteries too, placing it under my steel tray. I have a REDARC SBI12 under the bonnet connecting the two batteries. With the third, can I simply place another wire onto the aux terminal of the redarc and run it that way?

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Re: Alternator

Postby rodw on Sun, 02 Aug 2009 7:13 +0000

Squid_87 wrote:Make that two. Im thinkin of running triple batteries too, placing it under my steel tray. I have a REDARC SBI12 under the bonnet connecting the two batteries. With the third, can I simply place another wire onto the aux terminal of the redarc and run it that way?

Luke


I've got an ARB Isolator and was planning the same thing, ie. charge 2 AUX batteries off the one isolator.
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Re: Alternator

Postby bansheebuzz on Sun, 02 Aug 2009 7:17 +0000

if you have a redarc already, then you can use it to power up the 12v-12v charger, then have the 12v charger charge your batteries. That way the unit will not start working until the vehicle is started and voltage comes up.
Last edited by bansheebuzz on Sun, 02 Aug 2009 7:20 +0000, edited 1 time in total.
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Re: Alternator

Postby Squid_87 on Sun, 02 Aug 2009 7:20 +0000

will the SBI12 be enough? Isnt it only good for 100 amp?
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Re: Alternator

Postby bansheebuzz on Sun, 02 Aug 2009 7:22 +0000

more than enough, i dont know what the ranox is rated too but the biggest unit i can buy in the product i use is rated to maximum 40amps
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Re: Alternator

Postby olcoolone on Sun, 02 Aug 2009 7:32 +0000

These take the spot of a battery isolator, no other isolator is needed.

By using a DC-DC battery charger you will find you will nearly double the capacity of you auxiliary battery as it will be charged to 100%SOC compared to 65%SOC, but there is no substitute for capacity.

We run two auxiliary battery's (plus standard starting one) in the Hilux and 2 more in the Ultimate camper we have.

In the Hilux we have one mounted in the original place and the second one behind the right rear wheel under the body in a custom made mount that we designed, both 75A/h.

We are waiting for the Redarc one to come out in the next month and may go with them as they are water proof and no switches or adjustment (easier for our customers to understand) and is only about the size of a cigarette pack.

We usually get one in for evaluation from them so it will be interesting to see how it works.

Just a note on the Redarc SB12 they have recently released the new upgraded one with better control, pulse width modulated solenoid with lower current drain and on board diagnostics, about 18 months ago Redarc changed the cut in cut out voltage on the old SB12's.

Learnt all about the Redarc one when we did training with them about a month ago, sit tight and I will know more soon.
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Re: Alternator

Postby bansheebuzz on Mon, 03 Aug 2009 5:54 +0000

olocolone - my voltage on the ute never falls below 14v, i have volt meter build into my turbo timer so i know what the voltage is while driving.

prices for 12v-12v chargers

8amp - $132
20amp $200
30amp $275
40amp $350
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Re: Alternator

Postby olcoolone on Mon, 03 Aug 2009 6:45 +0000

Do you have an auxiliary battery and was any load applied and over what period of time.

Have a look at Pradopoint under 120series electrical.
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