dual battery question

Post by **crack** » Tue Mar 13, 2007 9:48 pm

gday fellas

im looking at getting a dual battery setup i was thinking of going the pirahana setup. any comments of these?

anyway my main question is whats the deal with the set up as far as closness of batteries is concerned? im thinking of getting under tray tool box's and mounting the deep cycle battery in there.

is this two far away from the main cranking battery? i supose there would be a fair amount of voltage drop?

any advice or comments would be great thanx!!
jack

Post by **Goatse.AJ** » Tue Mar 13, 2007 9:59 pm

As a second battery, and specifically one for accessories, you shouldn't have too many dramas with voltage drop. Just make sure you use decently thick wire for longer runs.

While you're at it, if you're running live volts through/past the cab make sure you install a FUSE in the line.

Dick Smith sells fuse blocks for the doof boys which work fantastically for this application.

Post by **crack** » Tue Mar 13, 2007 10:14 pm

those ones with the screw caps on each end and it has the glase tube fuse in it? thinsg they use for the amp wiring? yeh its just for running a fridge if and when i get one, lights, might redo my stereo for it andmaybe a winch if i get one.

Post by **MitchellBros4x4** » Wed Mar 14, 2007 8:59 am

We use and recommend BEP Marine Voltage sensitive relays, they are rated to constant 300amps. We use these units because they are tough and reliable. They are very easy to install and come with instructions. You will find that these are the best units available on the market.

Post by **brown hornet** » Wed Mar 14, 2007 1:16 pm

i agree, just buy a VSR (voltage sensitive relay) . lot less unnecessary crap involved.

you can buy them at most automotive shops for 250-300 bucks from memory with all the wiring needed, may have to extend the main cable to your battery if it doesn't reach you tray.

Post by **chimpboy** » Wed Mar 14, 2007 3:31 pm

You can get a VSR for a lot less than $300.

Post by **MitchellBros4x4** » Wed Mar 14, 2007 3:50 pm

chimpboy wrote:You can get a VSR for a lot less than $300.

I guess you are talking about the 300amp unit, nice one, tell me where so I can buy them.....

Post by **crack** » Wed Mar 14, 2007 9:23 pm

cheers guys. so i would be able to get these from any decent marine store? and its still fine to run a deep cycle and a cranking battery? and am i able to get volt meter for these?

cheers
jack

Post by **brown hornet** » Thu Mar 15, 2007 11:42 am

i think the ones on this website are the ones mitchellbros is talking about.

http://www.bepmarine.com/showproduct.cfm?productid=12

i think they are the same as the ones available in kit form.
i have seen them at BCF for 270-280 bucks with all the wiring

Post by **MitchellBros4x4** » Thu Mar 15, 2007 12:13 pm

Yep, your on the right track.

http://www.bepmarine.com/showproduct.cfm?productid=859

What do you mean BCF???
Who are they??

Post by **DIRTY ROCK STAR** » Thu Mar 15, 2007 12:38 pm

Boating Camping Fishing.

I had only heard of them when i was in WA. I dont think we have any in or near newcastle. not sure on sydney??

Post by **brown hornet** » Thu Mar 15, 2007 1:21 pm

yep BCF (boating camping fishing) massive new business that is spreading all over queensland over the past 12-18months.
pretty hard to come out of there on a sat morning without buying something.

Post by **klrevo** » Thu Mar 15, 2007 5:13 pm

DIRTY ROCK STAR wrote:Boating Camping Fishing.

I had only heard of them when i was in WA. I dont think we have any in or near newcastle. not sure on sydney??

theres a big one at west gosford, top place, cantdrive past without dropping in and having a look though.

dean

Post by **krf_bb** » Thu Jun 21, 2007 6:37 am

parana is by far the best mate

Thu Jun 21, 2007 9:16 am

DIRTY ROCK STAR wrote:Boating Camping Fishing.

I had only heard of them when i was in WA. I dont think we have any in or near newcastle. not sure on sydney??

On parramatta rd around auburn area opposite the 3 story home mega mall joint, in with office works and some electrical mob on the south side of the road, what a great place, big kids toy shop!!!

Post by **hammey** » Thu Jun 21, 2007 12:59 pm

DIRTY ROCK STAR wrote:Boating Camping Fishing.

I had only heard of them when i was in WA. I dont think we have any in or near newcastle. not sure on sydney??

theres one at gateshead next to supercheap auto. i was told that supercheap actually own BCF which kinda explains how they travelled so far so quickly..

Post by **me3@neuralfibre.com** » Fri Jun 22, 2007 9:42 pm

Review I wrote of all the combinations of batteries and types of isolators. Explanations of the differences etc and spreadsheet to work out the costs of each type.

http://neuralfibre.com/paul/?p=37

Summary
Cheapest per A/H is 2 normal batts in parallel and being careful not to flatten them
Next best is an AGM and a Normal start Batt with a Traxide Isolator. Traxide lets you use 50% of your main batt as well, giving additional free capacity that is normally wasted.

Paul

Post by **ROGQ** » Fri Jun 22, 2007 11:10 pm

http://www.bepmarine.com/showproduct.cfm?productid=505

could u hook one of these up to run triple batterys?

Post by **HotFourOk** » Fri Jun 22, 2007 11:23 pm

krf_bb wrote:parana is by far the best mate

Why bring up a 3 month old topic to add no new insight??

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