Thursday, August 12, 2010

Re: [Electric Boats] Re: Deep cycle info and charging requirements

 

Thanks that will I guess, be the next hurdle to overcome. Since almost none of my charging will be from shore power I will work backwards to find the best battery for solar and wind/water charging. I am however looking into a smaller engine that can power the shaft through the hatch via a belt. This would mean I would need a clutch for the prop or just use an alternator. All for another day.

Dan

--- On Thu, 8/12/10, Mike <biankablog@verizon.net> wrote:

From: Mike <biankablog@verizon.net>
Subject: Re: [Electric Boats] Re: Deep cycle info and charging requirements
To: electricboats@yahoogroups.com
Date: Thursday, August 12, 2010, 9:53 PM

 

Dan:
 
Also keep in mind the charger you will be using. Because the different types batteries (flooded, AGM, Gel)  you are learning about like different charge profiles and voltages you need to be careful you use the right charger for the batteries you choose to use. Some chargers have switch settings others are just made for just one type of battery. Others are programed with a plug in card. Be careful otherwise you will be killing batteries and spend more $$$$ than you need to. I have AGM batteries for my 48 volt propulsion bank. The two chargers I use on that bank are set up to charge AGM batteies ONLY!  I am using Gels for my 12 volt house bank. Why? Because I already had a fairly new charger installed on board  that had a switch setting for GEL batteries thats why. In short the type of batteries you are using must match the chargers.
 

--- On Fri, 8/13/10, Daniel Michaels <nov32394@yahoo.com> wrote:

From: Daniel Michaels <nov32394@yahoo.com>
Subject: Re: [Electric Boats] Re: Deep cycle info and charging requirements
To: electricboats@yahoogroups.com
Date: Friday, August 13, 2010, 1:51 AM

 
Well reading the second one, one needs to read between the lines to get a full picture. My take on it is they are getting you to recharge as fast as possible to make sure you HAVE a full charge. Best bang for the buck so to speak. While they did not say that it was best for the battery they mentioned it doesn't hurt it up to a certain charge point. Leaving the battery in a sate of discharge for extended period of charge was to mean over winter not over night or one or two nights. Equalization seemed to be a big factor in prolonging the life of a battery.

I will have to bone up on my batteries though. I thought a GEL and AGM were the same thing. More research! I think I may look into a floating lab for my Triton. Try different things and report in on them. It will give me something to do while I am sitting with no wind, sun, or Battery.

Dan

--- On Thu, 8/12/10, Eric <ewdysar@yahoo.com> wrote:

From: Eric <ewdysar@yahoo.com>
Subject: [Electric Boats] Re: Deep cycle info and charging requirements
To: electricboats@yahoogroups.com
Date: Thursday, August 12, 2010, 7:37 PM

 
Here's a link to some good info about deep cycle batteries in general:

http://www.batteryminders.com/batterycharger/press_room/deep-cycle-battery-frequently-asked-questions.pdf

And here's a decent primer about lead acid charging requirements:

http://www.westmarine.com/webapp/wcs/stores/servlet/WestAdvisorView?langId=-1&storeId=11151&catalogId=10001&page=Battery-Charging

Fair winds,
Eric
Marina del Rey, CA

--- In electricboats@yahoogroups.com, "John Green" <v_2jgree@...> wrote:
>
> Hi, I misread your reply.
> It seems that you are saying that the volts for charging will change during charging, but a 12 v battery will end up fully charged with the supply from the charger being around 15v.
> I will check that term 'smart chargers' for more info, thanks.
> John
>
>
> --
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