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 Post subject: on board battery charger
PostPosted: 15 Aug 2016, 10:19 

Joined: 16 Sep 2013, 19:32
Posts: 41
Location: Canada
I am collecting parts for my boat build and an on board battery charger is on that list. I will have two 12v batteries for a 24 volt troling motor and one 12v battery for the other electronics such as lights, fishfinder, bilge, livewell. I want the charger to charge all three batteries. What type of charger will I need to get. I assume it will be a 12 volt 3 bank charger. Is this correct.


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 Post subject: on board battery charger
PostPosted: 15 Aug 2016, 17:20 
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Joined: 27 Nov 2010, 09:36
Posts: 4306
Location: Houston, TX & Crossville, TN
Yep... 3 bank charger 12 volt.

I just added a 2 bank 12 volt onto my tinny. I am VERY happy that I added it, too. It makes charging a quick deal.

Prior to buying the on-board charger, I had to remove and later replace the battery covers (sometimes messing up the wiring); drag the two chargers down to the dock; hook everything up; and come back and check things. Now, I just plug it in and remove the extension cord when done. I sometimes just leave it in all night and remove it in the morning.

richg99



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 Post subject: on board battery charger
PostPosted: 16 Aug 2016, 06:04 
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Joined: 26 Oct 2010, 20:17
Posts: 1145
Location: E TN
Get one of the "smart" chargers that will detect the type of battery (wet, gel, AGM) and will go into a maintenance mode after fully charge. Well worth the few extra $$. If you only go every other day or a couple times a week, or there will be 12 hrs or more in between your trips, a 5-8 amp/bank charger will work fine. If you fish all day, come home late and go back early, then you should probably get a higher amp charger.


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 Post subject: on board battery charger
PostPosted: 16 Aug 2016, 08:36 

Joined: 17 Apr 2016, 19:24
Posts: 115
Get a 12 inch by 12 inch solar panel with a solar charge controller, best there is for regulating battery voltage. Will work every day for years whenever there is light. If you can't find a place to put it try the top of the motor housing.


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 Post subject: on board battery charger
PostPosted: 16 Aug 2016, 10:19 
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Joined: 20 Jun 2012, 11:40
Posts: 1908
Location: Falling Waters, WV
I have a NOCO Genius on board charger. Love it.



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 Post subject: on board battery charger
PostPosted: 17 Aug 2016, 03:28 

Joined: 16 Sep 2013, 19:32
Posts: 41
Location: Canada
thanks for the info guys. now I have to start looking


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PostPosted: 17 Aug 2016, 09:32 
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Joined: 22 Jul 2015, 20:46
Posts: 220
Location: Buffalo NY
I second the noco genius. Personally have the 2 bank 8 amp on both of my boats.


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PostPosted: 07 Sep 2016, 22:34 
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Joined: 01 Sep 2016, 11:06
Posts: 82
ProMariner charger.
http://www.promariner.com

Sincerely,

jbird68



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2006 Alumacraft Navigator 165 CS (Crappie Slayer)
2006 Mercury 90 HP Optimax
1979 Evinrude 6 HP Long Shaft Kicker (To be installed)
Minn-Kota Terrova 24V 80# Thrust Trolling Motor w/ I-pilot
2006 Dodge Durango SLT (Bright Blue) 4.7L Next Generation V8
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 Post subject: on board battery charger
PostPosted: 15 Sep 2016, 17:13 

Joined: 14 Sep 2016, 14:04
Posts: 24
Location: Buford Ga
I would go with something like this NOCO Genius 12v 24v 36v 48v 40 Amp On-Board 4 Bank Charger GEN4 I had one in my ranger 520c for years and have never had a problem with it


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 Post subject: on board battery charger
PostPosted: 18 Mar 2017, 23:11 

Joined: 24 May 2016, 21:31
Posts: 80
Location: Southern New Mexico
I am still new to this so please excuse my lack of understanding but why do I need an onboard charger? If it runs off solar I get it because it could charge while I am on the water but if these run off 120v then I have to have a source so why not use my normal charger or a maintainer?

Thanks
Greg



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Mariner 25HP motor
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 Post subject: on board battery charger
PostPosted: 19 Mar 2017, 00:22 
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Joined: 27 Nov 2010, 09:36
Posts: 4306
Location: Houston, TX & Crossville, TN
Just my opinion...Having recently added an onboard charger...It doesn't charge any better. It makes charging an easy process. When I had a regular charger, I had to remove two battery tops, connect the clamps... and then reverse that action every time. Messing with the wires often caused loosening of the connections. People use them because they make charging simple. They often have high tech. charging cycles.
richg99



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 Post subject: on board battery charger
PostPosted: 19 Mar 2017, 16:18 

Joined: 28 Sep 2014, 09:02
Posts: 254
Location: Charlottesville, VA
I actually prefer to leave my fishfinder battery on a different charging circuit, especially if it is running off the start battery and is 10+ feet away from the other batteries.

The reason is that I get trolling motor interference in my fishfinder unless I remove the fuses from the charger power wires that go to the fishfinder battery. Somehow the charger was a path for the "noise" to travel to the fishfinder. I have heard this from many others as well.

So my vote is 1 2 bank charger and 1 1 bank. 5 amps per bank is good enough if you do not fish back to back days often. If you fish 2-3 days back to back you will need more like 10 amps per bank to charge them quickly enough to the next day.

I have used motorguide and minnkota chargers and am happy with both!


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 Post subject: on board battery charger
PostPosted: 20 Mar 2017, 10:19 
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Joined: 01 Sep 2016, 11:06
Posts: 82
What is a good 1-bank charger for just a starter/electronic battery? I fish weekends and then on vacation it will be everyday for a week. Last year my starter battery worked all week while charging while running the big motor. But this year I have 2 depth finders and possibly some interior lights. I also keep my phone plugged into a charger while fising. Would like a stereo, too but that may not happen anytime soon.



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2006 Alumacraft Navigator 165 CS (Crappie Slayer)
2006 Mercury 90 HP Optimax
1979 Evinrude 6 HP Long Shaft Kicker (To be installed)
Minn-Kota Terrova 24V 80# Thrust Trolling Motor w/ I-pilot
2006 Dodge Durango SLT (Bright Blue) 4.7L Next Generation V8
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PostPosted: 20 Mar 2017, 14:19 
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Joined: 22 Jul 2015, 20:46
Posts: 220
Location: Buffalo NY
I have two of the noco genius chargers l. Work great for me. And from the sounds of it you don't need a high amp probably just there mini that's what I have


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PostPosted: 20 Mar 2017, 14:20 
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Joined: 22 Jul 2015, 20:46
Posts: 220
Location: Buffalo NY
Unless your running your troller battery dead and want to go back out the same day you don't need a high amp output in my opinion


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