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05-08-2023, 06:13 AM #31
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Some issues with your logic here. First, the charger and the battery monitor are completely separate and do not communicate. The charger is preset and programmed to run a 3 stage charge of a FLA battery. There is nothing you can do to modify this other than tell it the battery type. It does the rest. The monitor that Furrion uses is a dumb monitor. It is just a coulomb counter that counts amps in and amps out. For it to work properly, it just needs to know the total capacity of the battery and the point where it is fully charged. Set it to 100% after the batteries have been on shore power a couple of days without much dc use. The capacity should be set to the total of your 2 batteries since they are parallel wired. Then everything will work properly.
What I think is confusing you (other than the setup of the monitor) is that the last 10 or more percent of FLA charging takes a long time at low amperage. The charger in these units and wire size will not charge a FLA battery up very quickly, and it takes a while to get all the way to 100%.
Since errors can buildup over time using a simple coulomb counter for battery monitoring, you may find that you periodically have to manually reset the 100% level, but that's a minor issue. The fancier monitors like the Vicron Smart Shunt (I have one on a solar system at my cabin) do this automatically.Last edited by JPS350; 05-08-2023 at 06:29 AM.
2021 Imagine 22mle
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05-08-2023, 06:29 AM #322021 398M Full Body Paint 8k axles. LRH tires. Disc brakes.
Two bathrooms, no waiting 155 fresh, 104 black, 104 grey 1860 watts solar.
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05-08-2023, 06:50 AM #33
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To the folks who are worried about his batteries, there's nothing he could have done to change the charge profile. He's messing with the monitor settings. Garbage in garbage out, so to say, so it looks to the observer that the charging profile has been changed when, in reality, the monitor is just giving different values during the cycle.
2021 Imagine 22mle
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