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Batteries
https://www.smwebhead.com/phpBB3/viewtopic.php?f=21&t=5138		 Page 2 of 2
Author:  rhino4552 [ Wed Mar 10, 2010 6:41 pm ]
Post subject:  Re: Batteries
Thanks for the info, I always charge it while at home couple days before we go. It would be nice to have it mounted in the engine compartment. Is there too long you can charge deep cycle batteries on a 10 amp trickle charger? Wondering about overcharging.
Author:  BrentC5Z [ Thu Mar 11, 2010 9:50 am ]
Post subject:  Re: Batteries
A "smart" charger, also known as a "trickle" will not overcharge them. They go into a float mode when they recognize a full charge. I've mounted a marine one under my hatch & keep it plugged in when the boat is stored. As a side benefit. The charger puts off some heat and that comes in handy during winter storage :wink:

PS, If possible you want a lower amperage than 10A for charging.
Author:  rhino4552 [ Sat Mar 13, 2010 5:39 pm ]
Post subject:  Re: Batteries
Brent87LT1 wrote:
PS, If possible you want a lower amperage than 10A for charging.


I have a 1 amp I used to use for my four wheelers, but it doesn't have a gauge to show when its at 100% or anything, but it may not need to if I just leave it on there during the week when Im not using it.. Id like to mount it in the engine compartment.
Author:  97_245_sd [ Sat Mar 13, 2010 6:18 pm ]
Post subject:  Re: Batteries
When we bought our boat last spring I looked around for trickle chargers. I really wanted one that was ignition proof. The best deal I found was at Bass Pro Shops. They have a Pro Mariner On Board that is rated for engine room use. It is also designed that it won't draw down the battery if unplugged from AC power and left attached to the battery. I used it all year and was very happy. It sells for about $40.00.

I couldn't fine any other that was coast guard rated for engine room use. It costs a little more but I feel much better leaving it plugged in while away from the boat.
Author:  PDACPA [ Sun May 09, 2010 10:07 am ]
Post subject:  Re: Batteries
Working on my second battery and had a question about the wiring. Main battery is connected to the Perko switch which has the red (pos) from the engine to the switch and then from the switch to the red (pos) on battery #1. The black (neg) goes directly from battery #1 to the engine (does not connect to the perko switch). So when running the cables for battery #2, I am running the red (pos) from battery #2 to the perko switch. Do I run the black (neg) from battery #2 to the black (neg) on battery #1? That would mean no black (neg) wired to the perko switch.


Should I avoid running the battery #2 cables near the gas tank? there is a wood panel that holds the tank in the center and I could mount brackets to hold the cable to come up on the other side making a shorter run and easier mounting, but not sure if that is safe or not. will try and post a picture. Posted pic. See the red cable? Thinking of attaching to the wood brace and neg would run there too. Is that not a good idea or ok? Thanks.

Image
Author:  Jim_R [ Mon May 10, 2010 9:26 am ]
Post subject:  Re: Batteries
In my opinion it's better to run a separate grounding cable of appropriate size directly to a ground at the engine block. You should be ok securing the cables to the engine side of the wood panel. I believe requirements state that running electrical cables over the gas tank or lines is bad. It's been some time since I've read up on Coast Guard and ABYC regs on this. I'll dig up the links I have in case you want to take a look.
Author:  Jim_R [ Mon May 10, 2010 11:13 am ]
Post subject:  Re: Batteries
Coast Guard Boat Builders Handbook:

http://www.uscgboating.org/regulations/ ... tions.aspx
Author:  PDACPA [ Mon May 10, 2010 2:53 pm ]
Post subject:  Re: Batteries
Thanks guys. I did not go with the easier shorter route.

I ended up running them both lines on the opposite side of the engine, along the rear, as I just was nervous about having battery cables near the gas tank and the bildge. There is a little edge along the back of the boat that has clips for some other wiring (trim) and I was able to zip tie them there to keep up high and away from the engine.

I did secure the negative to battery #1 as per the Perko swith website and not the engine.

Any issue that the red and black battery cables are close to each other along the rear?

Here is how the second batter looks on the port side to try and balance out the weight.

Image
Author:  Jim_R [ Thu May 13, 2010 6:37 pm ]
Post subject:  Re: Batteries
Looks like you found a nice spot for it - very accessible. BTW - In my neck of the woods one would get a hefty fine for not having the negative terminals covered.

*edit - you really need to have that post style positive terminal covered too! You'll find what you need pretty cheap here:
http://shop.genuinedealz.com/Marine%20E ... l%20Boots/

I like these for covering the post style terminals:

Image
Author:  PDACPA [ Fri May 14, 2010 8:01 am ]
Post subject:  Re: Batteries
The boat came without a negative cover, but I could easily slip some on. Do not recall seeing them at the store, so thanks for the link.

When I have been stopped they are usually all about the life vests, horn, flares, throwable cushion, whistle and paperwork. Do they inspect your batteries too???
Author:  07H200SS [ Fri May 14, 2010 8:09 am ]
Post subject:  Re: Batteries
You will want cover on both your battery terminals for sure. I got a fine for this last year and it was like $140.00 I think! BTW here is a pic of the charger I installed. Dual bank 8 amp and is always pluged in when the boat is at home.

Image
Author:  PDACPA [ Fri May 14, 2010 8:37 am ]
Post subject:  Re: Batteries
Learn something new everyday. Mine are not visible under the seats, but my buddies center console are in plain view and heck I dont even think he has the pos covers. He is helping with the gimball bearing so I guess I can pick up a few for him too along with the Bud Light :mrgreen:
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