![]() I'll go by the manu's spec's and cross my fingers. to your backup batt(typically house), you can't choose JUST house(batt 2).This is Non-sense, why be forced to parallel the perhaps way low/dead'ish/wahtever batt with your good(last hope, hope we live) batt to try to get started? Silly silly thing to buy and install IMHO, see link below)Īs I said, I shall see. ****As prescribed, The "off/on/both" switches will have you paralleling your start batt. My therapist and I are working on the rest. think that about covers some 50% of my paranoia. If I need extra/emergency power, a MANUAL "off 1 both 2" Perko switch is used still, just like I/we have been doing.īUT, I can use the fresh, save the day and get the girl wild card #2 battery as a single stand-in(1 both 2 switch switched over to "2") in either system or as a paralleled batt("both" if I *WANT* to) in either system or parallel all three((if I *WANT* to). When shut down, and without touching any switches still, my start batt is iso'd automagically from my house battery is iso'd from start system and I have an added bonus batt., a iso'd wild card battery. spec/Medical grade, zero loss, no leakage relays.lol, added that for fun. In theory(just like the NASA ppl say before things go way wrong sometimes), I will always line up two switches when i get in the boat, each switch will be set to batt "#1"'s positions and run that way always, or until "off".Īll 3 batts will be charging/managed during the run time in this configuration with "zero drop" solid state Mill. In my new hopeful pretend world to which I have drawn up, I've added only two things'ish(schottkey diodes not included), another perko and the pro r. I would always start on 1 or 2 or both(hard to say, I made that up as I went along), make sure I charged "both" running and shut off and switch to 2 to use "play" power.īut being lazy'ish or otherwise "incapacitated".wait, soooo focused on the catch, I forget!!! My system is as yours it appears (schematic above with but added pro r and additional perko) and I use it exactly/sorta as you and bobdec's. ohhhhhh dang, and I like the 50 Amp breaker idea!!! It's in parallel across the batts on your "off, 1 both 2" switch, right? Re: Battery management: Blue Sea ACR vs Pro Split R zero voltage drop ssobol, After all, you'll be the guy buying it, most likely be the guy installing it, using it and best of all? Replacing it someday and can't blame anyone one of us.bahahahaha. Research pro and cons of each as they apply to your specific needs and make your own informed decisions bases on "best practices" out there. ![]() I suggest you Google this/the current days technology in these area's, what happens worst case when you switch two batts in and out of parallel with each other, techniques developed to avoid doing this and achieve same results, use/weed through the reams of info that exists here(and other sites like this)based on REAL experiences and facts, NOT opinions(those are as common as here!!) Sooooooooo a Pearl from my Lawyer? He told me once, "You can ask 10 different lawyers the same exact question and you'll get 11 different answers" And to think, I paid for that?:facepalm: The infamous Bluesea ACR-SI's are mechanical BTW, Tom in tech support said they use two 80 Amps in parallel for the 120 Amp spec though.:fear: ![]() No worries, this one should go non-linear anyway.Here, I'll help it with hmmmmmmmmm? Ahhhhhhhhh!! THIS should do it for now!!! Should I think about a dual House Circuits? One at Helm (Stb House) to pickup operating loads.One in Cabin (Port House) to pickup stationary or nonessential loads like stereo, Refer, water ect.Re: Battery management: Blue Sea ACR vs Pro Split R zero voltage drop isolator What are some of my pitfalls of this design?Īdd Parallel for Start batteries just in case. I would think someone has tried this approach. Pro Marine has one for $450.00.Ĭost of upgrade including Batteries is just under $1,500.00 Then updating the existing Charger with something that will maintain up to four banks of Batteries. Tie Start and House batteries with Automatic Charging Relays (ARC) (House will see charge from Alternators with engine is running). Updating Boat switch to Two switches ( Dual Circuit (on/off) for Start Batteries) and Dual Battery (Off/1/2/both for house). I was thinking of a four battery set up (Starboard Start, Starboard House, Port Start, Port House). Would like to add some more power to stereo system and add windless, so I would like to add house batteries. The switch common has both engine start circuits and house circuit. I now have a Dual Battery Switch with typical 2 battery (Off/1/2/Both). Thinking about upgrading my electrical systems on my 1999 280 SS.
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