dual batteries

Submitted: Monday, Dec 16, 2002 at 01:00
ThreadID: 2621 Views:1847 Replies:7 FollowUps:5
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Have looked through quite a few of the posts and still am not sure on a few things re batteries.

I plan to be running a fridge, lights and thats about it (no winch) off my system and was wondering a few things:

deep cycle or 'start' (i am assuming deep cycle)?
big name install or local auto elec?
best components (solenoids etc) for reasonable costs?

i have some, but not a lot, of money to spend but want it done right.

any suggestions?
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Reply By: felix - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
replying to my own post?!?!

it seems the redarc and rotronics are the go, but differences between them???
what is a reasonable price to pay in the sydney area to get auto elec to fit or what considerations are there to do it myself (i am reasonably cluey and do most of my mechanical work on Toyota HJ60 :-) )

thanks again
AnswerID: 9773

Reply By: OziExplorer - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
Well many of the so called 'big name install' are just rebadged GSL www.gsl.com.au or Redarc www.redarc.com.au units. For example in the Piranha brand, their battery isolator is made by GSL and is from memory $249. You can buy the GSL one for about $110. Another type that I think is the ARB one, is virtually identical to the Redarc one, but the little box on the side of the ARB one is made in the US, and the Redarc unit is made in Australia. Redarc about $110, ARB one $239 from memory.
As for deep cycle batteries, we have had an excellent run out of Apollo. They are made in Korea by Global Yuasa and have had no complaints with them. The batteries we have been using are the 862 or 882 right at the bottom of this page:
http://www.apollobatteries.com.au/spec.htm
AnswerID: 9775

Reply By: OziExplorer - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
Well many of the so called 'big name install' are just rebadged GSL www.gsl.com.au or Redarc www.redarc.com.au units. For example in the Piranha brand, their battery isolator is made by GSL and is from memory $249. You can buy the GSL one for about $110. Another type that I think is the ARB one, is virtually identical to the Redarc one, but the little box on the side of the ARB one is made in the US, and the Redarc unit is made in Australia. Redarc about $110, ARB one $239 from memory.
As for deep cycle batteries, we have had an excellent run out of Apollo. They are made in Korea by Global Yuasa and have had no complaints with them. The batteries we have been using are the 862 or 882 right at the bottom of this page:
http://www.apollobatteries.com.au/spec.htm
AnswerID: 9776

Reply By: georg - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
Felix ,if you can change a fuse,service a 60, you can self fit a rotronics system.
AnswerID: 9778

Follow Up By: Felix - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
aha, now you recommend the rotronics, yes? are there any essential differences and why did you choose it over other types?

whats a fuse ;-)
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FollowupID: 5077

Follow Up By: Georg - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
Recomend ,yes, made in Brisbane , easy to fit ,price around $250/$300 if self fit,have the unit and it works for me, shares in the company ? no mores the pity.
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FollowupID: 5078

Reply By: Member - Cruiser1 - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
With a 60 series you're not running complicated electronics so if dollars are an issue you could simply use a heavy duty solenoid to connect the two batteries together as you switch the ignition on. A simple, effective system. Just need to make sure you have similar batteries in good condition, rather than deep cycle and starter.

Much debate about this point: unless you are constantly discharging a deep cycle, it's probably better to stick with two starter batteries.

Local auto elec will often do it cheaper than the big name accessory stores....
AnswerID: 9784

Follow Up By: Oziexplorer - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
A normal cranking battery will usually fail after 25 deep cycles. They don't have sufficient antimony in the lead to deep cycle the battery, and the plates are designed differently.
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FollowupID: 5092

Reply By: Member - Melissa - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
If you are thinking about a Pirahna system, be aware that TJM Megastores have virtually the same system, considerably cheaper than the "badged" Pirahna system.

:o) Melissa
AnswerID: 9785

Follow Up By: Oziexplorer - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
They had a new 4WD type overpriced store open locally on Saturday. Well they had the Versa fluoro light for $80 and rebadged Piranha ones for $95. The auto store next door had them on special for $69.
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FollowupID: 5090

Reply By: rodeoowner - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
Felix, I had a Piranha unit in my Kombi. It was model 150S (from memory) and I paid I'm sure less than $150 for it. When it came time to fit a DB system to my 4wd I thought I may as well go piranha again. The exact same unit had gone up $100. I looked around for cheaper alternatives but was frustrated at the lack of knowledge of sales people. I rang Rotronics and spoke to Rod Street. The guy had an answer for every (dumb) question I had. They design them, make them and repair them if need be. That was enough for me, so that's what I bought. Haven't actually fitted it yet though. In my Kombi my Exide deep cycle battery only lasted 18 months. I have replaced my cranking battery with an Exide 'Extreme' which is apparently good for cranking and deep cycle. I will go for the exact same battery for my auxillary. This way both batteries can 'equalise' under charge. Good luck, there are a lot of opinions out there!
AnswerID: 9787

Follow Up By: Oziexplorer - Monday, Dec 16, 2002 at 01:00

Monday, Dec 16, 2002 at 01:00
Rodeoowner, 18 months for a deep cycle battery is pretty bloody good. Normally 15 months is the go, with twelve to fourteen being acceptable. I change mine every twelve months regardless.
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FollowupID: 5091

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