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  #11  
Old 05-15-2011
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Battery Charger Wiring

I have a Catalina 27 with 2 batteries in the cockpit locker furthest away from the electrical panel I would like to mount a two or three stage charger 110V next to the panel and hard wire it. Can I connect the charging circuits of the charger to the battery inputs at this point or do I have to run to each individual battery also would I have to fuse the outputs of the charger and last what is the difference between a 2 and 3 stage charger

Thanks for your help
Brian
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We installed a Xantrax charger about a year ago on our Catalina 27 with 2 battery bank (flooded cell). We dont have a 110 system so we just plug this into the power on the dock. Works great! Truecharge Battery Charger | Truecharge Charger | Xantrex
I think it cost about $80
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Thanks Delite I looked up the site and was able to source a dual output Zantrex charger that I can tie in right at the panel. Appreciate your help

Brian
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Quote:
Originally Posted by lgsailor52 View Post
Does anybody have experience with a 10amp. battery charger that can be plugged into a 110V outlet and mounted in the cabin near the battery bank?

I am looking for one that is not hard wired into the 110v , but can be wired into the battery terminal. I have a Catalina 30, with 2 battery system.

Thanks.
There's nothing stopping you fitting a 110V power cord to any of the marine battery chargers. Why not install it near the batteries and fit a power cord to the 110V input?
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Old 06-11-2011
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I cannot see why you would ever need to use them as converters on a boat.

As well they are pretty light on adjustment. For example there are no adjustments for different battery technologies ( Gel or AGM), being set for flooded batteries only. Nor any temperature settings. Also the manual at 2 pages is the smallest I have ever seen for a charger.

But better than an inexpensive automotive charger.
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Adjust what from 12.5 to 15.5 volts? 12.5 doesn't charge anything. And 15.5 it too high to charge any battery.

For charging different battery technologies need different voltages for the different stages of charging.

The Powermax is fixed at the settings for flooded batteries as most of the RV's that are its intended market probably have flooded batteries.

Below are the voltages for the various types of batteries on a Xantrex Truecharge2 charger. You can see the differences. The Xantrex is about $300 for the 40 amp version, their most popular. I have installed quite a few of these. More expensive but they take good care of your batteries, even have an automatic equalize function. More $ for the charger but the batteries could well last longer, especially if they are not the flooded type. Good batteries taken care of should last 6 to 9 years but I have come across older batteries still going strong. f the batteries life is shortened you haven't saved much money.
There are other brands of chargers with settings for all types of batteries for less than the Xantrex.

Below that is the panel on the charger for adjustments which includes the temperature setting at the bottom.

At the bottom are the settings the Powermax is fixed at.
Attached Thumbnails
Battery Charger-2.jpg   Battery Charger-1.jpg   Battery Charger-3.jpg  
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Old 06-12-2011
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When a battery is being charged the voltage has to change as the state of charge of the battery increases. It's not something that can be done manually.

The Powermax does this, but not for all battery technologies.
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Last edited by mitiempo; 06-12-2011 at 03:32 PM.
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I had one of these in my fishing boat charging a group 27 deep cycle battery.
Left it connected 24 /7, went for over 2 years before having to add a small amount of water. Will charge 2 or more batteries at a time, simple and not expensive.

Bass Pro Shops XPS Intelligent Technology Series On-Board Marine Battery Charger - XPS iT 5/5.

More chargers:

N 0 No 0 Ntk Search

Dabnis
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Old 06-12-2011
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Xantrex

I've used a Xantrex 20 for many years and love it. It's a three stage charger that also equalizes the batteries every 30 days. My house batteries are golf cart batteries and are over 8 years old and still going strong.
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I'm a Xantrex fan as well and they are just about the only brand I have installed lately. I did install a Victron charger a few months ago and was impressed with it.
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