Jay see 1997 GU build up

[jay see]

Looking at getting a few things done. Have been told two different things about a dual battery system.
One says go with the solenoid and the other BC/ DC.
Explanation I got for the solenoid system is that the alternator isn't a temperature related one and the BC/DC isn't required and a good few hundred cheaper.
So is the solenoid system still good enough? I think it is, haven't heard anything bad about them....
Thoughts.

[Winnie]

I use a solenoid type Redarc dual battery system. It's simple and easy. I like it.

[jay see]

I use a solenoid type Redarc dual battery system. It's simple and easy. I like it.

That's what I want. Simple just like me.
Thanks
Everything same same, only difference was between the dual battery system.
Difference is $650.

[lucus30]

That's what I want. Simple just like me.
Thanks
Everything same same, only difference was between the dual battery system.
Difference is $650.

Yeah mate just go a VSR

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[sooty_10]

That's what I want. Simple just like me.
Thanks
Everything same same, only difference was between the dual battery system.
Difference is $650.

Dcdc are only really advantageous if you have significant voltage drop from the alternator eg. Running a battery bank in camper trailer. Or if your alternator is a silly modern low voltage type unit. Otherwise the VSR system will work everytime.

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[mudski]

Dcdc are only really advantageous if you have significant voltage drop from the alternator eg. Running a battery bank in camper trailer. Or if your alternator is a silly modern low voltage type unit. Otherwise the VSR system will work everytime.

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I was understanding that VSR's cant charge to capacity. Where a dcdc can.
Anyway i use a Ctek250 as i have a solar panel on the roof and it has a built in solar thingo....lol

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[lucus30]

I was understanding that VSR's cant charge to capacity. Where a dcdc can.
Anyway i use a Ctek250 as i have a solar panel on the roof and it has a built in solar thingo....lol

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Don't get too techincal.... Thingos are mind boggling ha ha

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[sooty_10]

I was understanding that VSR's cant charge to capacity. Where a dcdc can.
Anyway i use a Ctek250 as i have a solar panel on the roof and it has a built in solar thingo....lol

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A bit of advertising bollocks really.

An alternator is maybe not as efficient for that last 10% but it gets the job done 99% of the time. And does a faster job for bulk charging large drains than any dcdc generally does, which means your more likely to be closer to fully charged after shorter drives.

Dcdc isn't required if only charging a simple 4x4 dual battery system (unless low voltage alternator). They were designed for larger battery banks and longer cable runs etc, add some misinformation from sales people and apparently alternators are no longer sufficient $$$$.

For typical battery maintenance giving it a good charge from a bench charger every 6 months or so to give it a health check up is good enough. I run dual yellowtop optimas (both under bonnet) through a simple piranha vsr and have done for nearly 10 years (rarely bench charged). Never had an issue charging them up via alternator.

Now incorporating solar is another story. I use an independent solar controller, a victron 75/15. Works a charm and can be had cheaper with a redarc vsr than compared to the dcdc/solar systems.

Basically my advice is to keep it as simple as possible and if it works for your needs your onto a winner.

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[jay see]

Cheers guys.
The explanation that sooty gave is pretty much the one that I got.

So I will booking it in for a dual battery system, long range sub tank, fitment of my reduction gears and confirmation of a leaking rear main seal, if it is it's getting fixed too.


No luck on the spare.
Think I might have to go the three studs with a lock nut.

[mudski]

No luck on the spare.
Think I might have to go the three studs with a lock nut.

Or change to the steel bracket like mine. And I think James changed his also not long ago as it broke or something... Plenty of wreckers would have them.