Almost:) connect the alternator directly to your house battery and make that battery 1.
Rich > On May 5, 2014, at 16:28, Edd Schillay via CnC-List <[email protected]> > wrote: > > Rich, > > I think I get it now. If I have my starter battery as #2, I start the > engine with #2 only (not ALL). This echo-charger could take the Alternator > charge going into #2 and also charge #1. > > Do I have that right? > > If so, I gots me some wiring to do…. > > > > All the best, > > Edd > > > Edd M. Schillay > Starship Enterprise > C&C 37+ | Sail No: NCC-1701-B > City Island, NY > Starship Enterprise's Captain's Log > >> On May 5, 2014, at 2:52 PM, Rich Knowles <[email protected]> wrote: >> >> In short, an Echo Charge is a simple regulator that derives it's input >> voltage from a battery connected to a charging source. It's output is >> connected to a secondary battery such as an engine start or windlass >> battery. If the input voltage rises above 3.4 volts, as I recall, the >> >> Rich >> >>> On May 5, 2014, at 14:10, Edd Schillay via CnC-List <[email protected]> >>> wrote: >>> >>> Marek, >>> >>> Very interesting. What exactly is an echo charger and how would I >>> connect it? >>> >>> The previous owner had two house bank 31s and a starter battery hooked >>> up parallel to one of them. That starter battery turned out to be dead and >>> was dragging the other down. >>> >>> I replaced all with two new 31s about 4 years ago. Now one of those two >>> is dead and I don’t feel like dumping $300 on a replacement when I’m not >>> running on batteries for more than a few hours on any given day. >>> >>> >>> All the best, >>> >>> Edd >>> >>> >>> Edd M. Schillay >>> Starship Enterprise >>> C&C 37+ | Sail No: NCC-1701-B >>> City Island, NY >>> Starship Enterprise's Captain's Log >>> >>>> On May 5, 2014, at 1:01 PM, Marek Dziedzic <[email protected]> wrote: >>>> >>>> Edd, >>>> >>>> I don’t want to start a discussion on how to charge the batteries (as this >>>> would be off topic), but starting from the ALL position has some major >>>> disadvantages. One is that you might be hiding a problem with your >>>> starting battery; two is that if one battery is weak, you would be >>>> charging that weak battery from the strong one (you risk that if one is >>>> nearly dead, the other would not start the engine, either, but instead >>>> would discharge to equalise the voltage with the weak one). >>>> >>>> No question (in my mind), the best way is to start from the starting >>>> battery (hence the name) and have the echo charger making sure that both >>>> batteries are charged properly. >>>> >>>> Some advocate to have the batteries split into “main” and “spare”. Many >>>> good marine batteries can be used as dual purpose. If you design your >>>> system this way, you start on the “main”, it gets charged by the >>>> alternator and the echo charger maintains the “spare”. >>>> >>>> If I remember correctly, you have a solar system, as well. Many charge >>>> controllers have a dual battery option and they can be setup to charge the >>>> “main” battery first and then charge the “spare” (mine has a selectable >>>> 50/50 or 90/10 split). >>>> >>>> If you are interested, you can check some of Main Sail’s articles on that >>>> topic at Sailboat Owners or at his web site >>>> (http://www.pbase.com/mainecruising/). >>>> >>>> Marek (in Ottawa) >>>> >>>> PS. Would “may the Force (May the 4th) be with you” apply, even if it is a >>>> day late? I know it is mixing the references... >>>> >>>> From: Edd Schillay via CnC-List >>>> Sent: Monday, May 05, 2014 10:58 AM >>>> To: [email protected] >>>> Subject: Re: Stus-List Mixed batteries >>>> >>>> Rich, >>>> >>>> Please do send around a diagram. I’m planning to do something similar — a >>>> 27 starting battery (as battery #2) and a 31 house bank (as battery#1). >>>> >>>> When I want to start and run the engine, I will do so on ALL. That way the >>>> alternator will charge both batteries. When sailing and “hanging out”, I >>>> would switch to 1 only. >>>> >>>> I have a solar panel and a dual battery regulator, which would connect to >>>> both. >>>> >>>> Two weeks to launch and still much to do….. >>>> >>>> >>>> >>>> All the best, >>>> >>>> Edd >>>> >>>> >>>> Edd M. Schillay >>>> Starship Enterprise >>>> C&C 37+ | Sail No: NCC-1701-B >>>> City Island, NY >>>> Starship Enterprise's Captain's Log >>>> >>>>> On May 5, 2014, at 10:38 AM, Rich Knowles via CnC-List >>>>> <[email protected]> wrote: >>>>> >>>>> The best method I have found and the least problematic from all points of >>>>> view is to have a dedicated starting battery that does nothing else but >>>>> start the engine, and a house battery that can be several batteries in >>>>> parallel. Ideally the house batteries will all be identical. I feed the >>>>> alternator directly to the house battery and use a device such as a >>>>> Xantrex EchoCharge, a small regulator, to keep the start battery charged. >>>>> A simple 1/both/2 off switch feeds the house load from either battery and >>>>> acts as a combiner switch if needed. I have a diagram I can send you if >>>>> you wish. >>>>> >>>>> I have wired many boats this way with no complaints or incidents. >>>>> >>>>> Rich Knowles >>>>> Indigo. LF38 >>>>> Halifax. NS >>>>> >>>>>> On May 5, 2014, at 10:47, via CnC-List <[email protected]> wrote: >>>>>> >>>>>> In a pinch, I recently bought a 'starting' battery (Group 27) per my >>>>>> earlier post (no marine stores open after 6 on Saturdays) >>>>>> >>>>>> Then I decided to get a replacement for my dead Lifeline AGM battery. >>>>>> >>>>>> Of course, Murphy lurking about, I realized that my Zantrex Truecharge >>>>>> 40 wants all the batteries it charges to be the same since >>>>>> its charging schemes apply to all three outputs to the batteries. >>>>>> >>>>>> Before I pull the 'rope-a-dope' of returning the starting battery, I >>>>>> need some list advice: >>>>>> >>>>>> A lot of sailors suggest using a 'starting' battery exclusively for >>>>>> starting and using the house batteries for the house. I am aware that >>>>>> an AGM can be used for starting as well. >>>>>> >>>>>> However, if a 'starting' battery is better for this job (CCA, etc.) and >>>>>> the AGM is better for its job, how does one use a single charger like >>>>>> mine >>>>>> to satisfy different charging schemes? >>>>>> >>>>>> 2 chargers, a smarter charger that has outputs for different battery >>>>>> characteristics, or 'forgetaboutit" and charge both batteries as though >>>>>> the were both AGMs? >>>>>> >>>>>> Charlie Nelson >>>>>> Water Phantom >>>>>> C&C 36 XL/kcb >>>>>> >>>>>> [email protected] >>>>>> _______________________________________________ >>>>>> This List is provided by the C&C Photo Album >>>>>> http://www.cncphotoalbum.com >>>>>> [email protected] >>>>> _______________________________________________ >>>>> This List is provided by the C&C Photo Album >>>>> http://www.cncphotoalbum.com >>>>> [email protected] >>>> >>>> >>>> >>>> _______________________________________________ >>>> This List is provided by the C&C Photo Album >>>> http://www.cncphotoalbum.com >>>> [email protected] >>> >>> _______________________________________________ >>> This List is provided by the C&C Photo Album >>> http://www.cncphotoalbum.com >>> [email protected] > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected]
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