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Need your help......Difference between Battery isolators

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Need your help......Difference between Battery isolators

Old 08-03-2005, 09:15 AM
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Default Need your help......Difference between Battery isolators

Could you guys take a look at these two products and tell me what you think is better for my setup.

I have a Trophy 1903cc with a single 150 Merc saltwater outboard. I currently have one battery that handles everything. I want to add a second battery and have one for starting and one for house loads. I'm going to be adding two AMG group 27 batteries.

http://www.bluesea.com/product.asp?P...58&l1=7458&l2=

http://www.bepmarine.com/showproduct.cfm?productid=1083

If there is a better product I should be using, please let me know.

Thank You,
Bill
Old 08-03-2005, 09:44 AM
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Default RE: Need your help......Difference between Battery isolators

Bill,

The two products you listed are close but very different. The first product (Blue Sea ACR) will let you charge a second bank of batteries, after the first has fully charged. It does not address isolating the starting circuit from the house circuit.

The second (BEP) will allow you two have 2 banks of batteries, and switch between or combine them, but still does not address the house circuit vs starting circuit issue.

Here is the BEP marine solution to that:
http://www.bepmarine.com/showproduct.cfm?productid=501

It allows you to have a on/off for both the starting circuit and house circuit. It also allows you to parallel the two batteries if you need to for emergency starting. Normal operation is house ON/ Start On. have a good day. Once the starting battery is at full charge (13.7 volts) the relay opens and charges the house batteries. It takes all of the guess work out what position should the switch be in, or am I using bank 1 or bank 2 today.


Blue Sea offers the same type of setup
http://www.bluesea.com/product.asp?P...1=7958&l2=6607

The Blue sea description says 2 engine/ 2 start batteries/ House but I belive the description is misleading/ or I found the wrong part. It works the same as the BEP System. A friend of mine has the BEP switch and likes it.

The Blue sea paper catalog shows this in more detail. Blue Sea also offers a switch like the BEP Marine one, with out the charging relay circuit. I will be installing that as my winter project. I already have the ACR installed and it works great. I am adding the switch to make it simple.

Scott.

Old 08-03-2005, 10:46 AM
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Default Re: Need your help......Difference between Battery isolators

Scott,

Thank You! I think I will be going with the BEP 716. It looks like the ticket for my setup.

Bill

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