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Topic ClosedBattery levels - Event Date: 03 Jan 2020

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mjlrpod View Drop Down
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Direct Link To This Post Calendar Event: Battery levels
    Posted: 04 Jan 2020 at 10:22am
These lights can be deceiving at best. The battery lights on the type I have, show the battery at full power whenever you plug into shore power. It doesn't seem to matter what the charge level of the battery actually is, it says full because your plugged in. The opposite is true when you unplug.... the battery indicator goes right to 3/4 full. Not because it's 3/4 full, just because your unplugged. 
I find the holding tank indicators like this also. I believe, that as soon as the tank measures that the tank is past the one third level, it turns on the two thirds full light. From here on, it's a guessing game how full it really is.
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Direct Link To This Post Posted: 04 Jan 2020 at 8:14am
I did a test on those lights and found what I thought.. They don't come close but to show charging is happening.. Not even the tank capacity works well...

Please do get a simple meter to check your voltage with. I just bought this one as a in-house capacity checker, yet with it's built-in shunt would be an easy install in the trailer. 
https://www.amazon.com/gp/product/B07T9KYPMG/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

I have two of these mounted at the battery output and at the solar panel output. I like these due to the decent sized shunt for good readings. 
https://www.amazon.com/bayite-6-5-100V-Display-Multimeter-Voltmeter/dp/B013PKYILS/ref=sxbs_sxwds-stvp?cv_ct_cx=12v+meter&keywords=12v+meter&pd_rd_i=B013PKYILS&pd_rd_r=3f78aa5a-d191-488f-acef-9b1150865d38&pd_rd_w=i9Qry&pd_rd_wg=5aWJR&pf_rd_p=a6d018ad-f20b-46c9-8920-433972c7d9b7&pf_rd_r=1FXSJT1GQNKGVG6AKYDQ&psc=1&qid=1578146966&s=hi

I found the lights do not activate accurately for SOC of your battery.
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Direct Link To This Post Posted: 04 Jan 2020 at 8:11am
Thanks for the clarification...should have one for fully charged, but at least that’s another mystery solved. Enjoy the day StephenH
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Direct Link To This Post Posted: 03 Jan 2020 at 9:23pm
Okay. There are two scales. You are looking at the correct one. The letters are:
C - Charging
G - Good
F - Fair
L - Low

Better to install a small digital voltmeter next to the panel. It isn't that hard and will give you a much better idea of the battery's condition than the lights.
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Direct Link To This Post Posted: 03 Jan 2020 at 4:01pm
Ok I downloaded the owners manual...nice but never seems to have answers to my questions.  So explain the battery level codes found on the tank level panel...in my bathroom. Push the button and one of four lights will light up...under battery...C...G...F...L.  It is the KIB panel that has the tanks levels and the water heater switch plus the water pump.
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