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Topic ClosedVoltage and status lights - Event Date: 29 Apr 2018
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Blender Bob View Drop Down
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Joined: 11 Mar 2018
Location: Colorado
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Posts: 48 		Direct Link To This Post Calendar Event: Voltage and status lights
    Posted: 29 Apr 2018 at 8:37pm
After 10 days of being left alone/at rest, my 178 HRE with two DC24 marine batteries showed 3 lights of 4 lit on the interior status display. Checking the voltage with an ohm meter, I found 12.04v. I check that with depth of discharge tables and that shows ~ 45% left, 55% discharged. My battery charger showed a similar reading of being at 40% charge remaining.

I tend to believe I am more than 50% discharged, yet the idiot status lights show a more positive reading. Does anyone know what voltage, or discharge rates are represented by the 4 lights in the HRE?   
Bob
2015 Chevy Colorado Z71
2018 178 R-pod Hood River Edition
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furpod View Drop Down
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Joined: 25 Jul 2011
Location: Central KY
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Posts: 6128 		Direct Link To This Post Posted: 29 Apr 2018 at 9:17pm
those lights, no matter which item they are checking, are hokum. They are feel good lights for people who really don't need them. If you are serious about your battery usage, and health, get and install a good monitor system. 
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lostagain View Drop Down
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Posts: 2587 		Direct Link To This Post Posted: 29 Apr 2018 at 10:26pm
The only part of that 4 light thingy that is worth looking at is the one for the fresh water.  And even it isn't all that reliable.
Never leave footprints behind.
Fred & Maria Kearney
Sonoma 167RB
Our Pod 172
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mcarter View Drop Down
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Joined: 07 Apr 2016
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Posts: 3419 		Direct Link To This Post Posted: 30 Apr 2018 at 8:14am
I added an outlet that has a LED volt gauge, cig lighter plug and 2 USB ports, I needed the 12v and USB capabilities.
Mike Carter
2015 178
" I had the right to remain silent, I just didn't have the ability."
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Leo B View Drop Down
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Joined: 13 Jan 2012
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Posts: 4508 		Direct Link To This Post Posted: 30 Apr 2018 at 8:18am
Agreed! Those status lights are definitely useless.  
Leo & Melissa Bachand
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lostagain View Drop Down
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Posts: 2587 		Direct Link To This Post Posted: 30 Apr 2018 at 8:27am
I put in the same thing as Mike a few weeks ago and it works great.  It gives a pretty accurate reading on battery voltage.  Amazon has them.  Worked great for phone charging on our last trip.
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Fred & Maria Kearney
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TheBum View Drop Down
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Joined: 26 Feb 2016
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Posts: 1407 		Direct Link To This Post Posted: 30 Apr 2018 at 11:03am
Originally posted by mcarter

I added an outlet that has a LED volt gauge, cig lighter plug and 2 USB ports, I needed the 12v and USB capabilities.


Same here. I need to add a pushbutton so that the voltmeter isn't on all the time.
Alan
2022 R-Pod 196 "RaptoRPod"
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furpod View Drop Down
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Joined: 25 Jul 2011
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Posts: 6128 		Direct Link To This Post Posted: 30 Apr 2018 at 11:48am
back before you could buy a kit, I built and installed this for about $4..




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lostagain View Drop Down
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Posts: 2587 		Direct Link To This Post Posted: 30 Apr 2018 at 2:43pm
Here's the one we got from Amazon.  It has a switch to turn it off and on at the upper right.  Under the little rubber flaps are the plug ins for usb and 12v.
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Fred & Maria Kearney
Sonoma 167RB
Our Pod 172
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Ben Herman View Drop Down
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Joined: 26 Apr 2018
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Posts: 355 		Direct Link To This Post Posted: 30 Apr 2018 at 2:53pm
Originally posted by lostagain

Here's the one we got from Amazon.  It has a switch to turn it off and on at the upper right.  Under the little rubber flaps are the plug ins for usb and 12v.

looks good - where did you wire it into?
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