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Old 20 November 2012, 16:18   #1
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Best battery set up?

wondering the best way to set up 2 batterys, engine is a 90hp yam autolube and will be using rib for fishing etc so dont want to drain batteries with gps/ fishfinder. Can you advise in novice explanations how i set up & is it worth charging both off engine????
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Old 20 November 2012, 16:29   #2
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You just need to fit a VSR (voltage sensing relay) that will look at the battery level and charge each battery as required. We tend to fit Blue Sea systems as they dont break the bank and they work very well and have proved to be very reliable.
Click the link....
Aquafax Marine & Industrial Equipment
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Old 20 November 2012, 16:48   #3
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Quote:
Originally Posted by Turbodiesel View Post
You just need to fit a VSR (voltage sensing relay) that will look at the battery level and charge each battery as required. We tend to fit Blue Sea systems as they dont break the bank and they work very well and have proved to be very reliable.
Click the link....
Aquafax Marine & Industrial Equipment
had quick look on ebay and there is durite one for 40
what best batteries to use that will go well with 90 yam???
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Old 20 November 2012, 18:27   #4
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Depending on whether you have isolator switches already something like this is ideal, although possibly a little pricey from Force 4.
BEP stuff is pretty good quality:

BEP Dual Battery Single Engine VSR cluster - Only 158.95 - Force 4 Chandlery
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Old 21 November 2012, 02:01   #5
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Guessing it all depend on batteries ratings but what would be best /suitible for my yam 90? I don't have clue being newbie
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Old 21 November 2012, 06:50   #6
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Great ideas above. For me, I use a simple inexpensive 12 volt battery selector switch; Batt 1, Batt 2, Both and OFF. One I use for Electric Motor (direct wired), the other for all Electronics and can cross energize should the need arise. When switch is in off position I charged the two batterys independantly.
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Old 21 November 2012, 06:59   #7
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This me thinks aink going to be easy wiring myself :-(
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Old 21 November 2012, 09:28   #8
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I think the Blue Seas 7650 is a cheaper option than the BEP. A little over 100usd:
http://www.tacticalwholesalers.com/B...y_p_76341.html

From Blue Seas page:
http://bluesea.com/products/7650
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Old 21 November 2012, 10:36   #9
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Spoke to chandlers and they recommend no less than 85ah battery so what size sensing relay would be right choice, there is durite one on ebay 120ah for 38.99
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Old 21 November 2012, 11:12   #10
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It just depends on the output of your alternator as to how much current might get sent through the VSR. However, it's unlikely to be over 100A so the durite would be fine. I'd be tempted to go for a marine one though as they are better sealed against corrosion.
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