Exactly my scenario. I had the solar grid on the start side feeding 4 batt.. 2 house 2 start. Moving panel to house bank should solve my problem. Great vid.
Thanks for making this video. I was wondering the real world amp flow between batteries when an ACR closes. This shows it really well and shows the issue with relay cycling.
gerat video but I thought I heard you say charger should be directly to the house batteries?then when I go to start engine with start battery, I will assume that it is fully charged because the ACR combined and charged the start battery? please explain more thanks John
Great information! I got here searching for an answer to AGM batt chargning which unfortunately remains a mystery why Balmar and alike pushing VERY expensive alternators that go all the way up in amperage at relatively low RPMs while at same the AGM battery manufacturers tell you to NOT charge their batteries over 20/30/40 amps or we would be shortening battery life???
If you buy quality AGM batteries such as Firefly, Northstar, Odyssey or Lifeline you do not need to worry about over charging them. With most AGM batteries higher charge currents are beneficial to them, not harmful. If you are looking at batteries that have a low maximum charge current they are simply not quality AGM batteries. For example Odyssey recommends a minimum charge current of .4C or 40% of Ah capacity. Most boat-owners struggle to to achieve a .4C charge rate on any decently sized house bank. This would be 160A for a 400Ah bank and 240A for a 600Ah bank, and these are minimum recommended charge currents not maximum.....
what about when there are only one set of cables to the outboard motor, the starter and alternator are wired on these same cables which prevents me splitting the start to the start battery and the charge to the house battery.
If it was 172A inrush, why did it not blow the fuses in your MRBF terminal fuses?? I'm concerned about a depleted house battery blowing my 80A MRBF fuse. I am sending charge to start battery in my scenario.
What if the batteries are very far apart like a thruster battery. Would the long length of line increase the amperage on the line? I know when I used to run my table saw in my shed connected to a 50’ extension cord it would trip the breaker but when connected right to the outlet, it never would.
Voltage spike protection. They can be used to protect an Alternator from a "Load Dump" do to the Alternator being disconnected from its load like a Lithium battery.
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This is incredibly helpful. I have been trying to find the science behind an ACR install and you have laid it out perfectly. So many thanks.
this has been VERY helpful. I was almost convinced that i had to use a B2B DC charger else my boat would burst into flames. Thanks again
Exactly my scenario. I had the solar grid on the start side feeding 4 batt.. 2 house 2 start. Moving panel to house bank should solve my problem. Great vid.
Thanks for making this video. I was wondering the real world amp flow between batteries when an ACR closes. This shows it really well and shows the issue with relay cycling.
Excellent information! Thanks for sharing!
gerat video but I thought I heard you say charger should be directly to the house batteries?then when I go to start engine with start battery, I will assume that it is fully charged because the ACR combined and charged the start battery? please explain more
thanks John
Great information! I got here searching for an answer to AGM batt chargning which unfortunately remains a mystery why Balmar and alike pushing VERY expensive alternators that go all the way up in amperage at relatively low RPMs while at same the AGM battery manufacturers tell you to NOT charge their batteries over 20/30/40 amps or we would be shortening battery life???
If you buy quality AGM batteries such as Firefly, Northstar, Odyssey or Lifeline you do not need to worry about over charging them. With most AGM batteries higher charge currents are beneficial to them, not harmful. If you are looking at batteries that have a low maximum charge current they are simply not quality AGM batteries.
For example Odyssey recommends a minimum charge current of .4C or 40% of Ah capacity. Most boat-owners struggle to to achieve a .4C charge rate on any decently sized house bank. This would be 160A for a 400Ah bank and 240A for a 600Ah bank, and these are minimum recommended charge currents not maximum.....
what about when there are only one set of cables to the outboard motor, the starter and alternator are wired on these same cables which prevents me splitting the start to the start battery and the charge to the house battery.
Great question!
Fantastic video!
If it was 172A inrush, why did it not blow the fuses in your MRBF terminal fuses?? I'm concerned about a depleted house battery blowing my 80A MRBF fuse. I am sending charge to start battery in my scenario.
Easy MRBF, ANL & Class T fuses are designed to handle in-rush currents. It's called a trip delay curve...
So you hook up the solar charger cables to house battery as well?
What if the batteries are very far apart like a thruster battery. Would the long length of line increase the amperage on the line? I know when I used to run my table saw in my shed connected to a 50’ extension cord it would trip the breaker but when connected right to the outlet, it never would.
Good morning greece what accessories is the STERLING PRODUCTS REGARDS
Voltage spike protection. They can be used to protect an Alternator from a "Load Dump" do to the Alternator being disconnected from its load like a Lithium battery.
thanks regards
Great Information - thanks