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theoldwizard1

SE MI

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Posted: 01/25/21 10:09am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:


1L243 wrote:

My battery monitor is not that sophisticated. When the lights don't come on it will tell you the batteries are dead.

I am in the market for a good battery monitor.
Victron makes two excellent battery monitors. They are relatively inexpensive. They do require the use of a shunt.

I second Victron. They have several models to chose from with different "bells and whistles".

This one is "plain vanilla" Victron Victron Energy BMV-700 Battery Monitor - Amazon $143

Not cheap, but worth it.

1L243

Oregon

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Posted: 01/25/21 11:43am Link  |  Quote  |  Print  |  Notify Moderator

I actually like the Shunt Idea. I am leaning towards a monitor type where several factors are displayed on the screen at the same time and not having to cycle through the different displays. I realize the monitor will take up more room. I would also like to be able to bluetooth with the monitor And best of all I would like to stay under $150.

Thanks


2017 Coleman 300tq by Dutchman Toy Hauler. 34.5 feet long and under 10k Gross. 500 watt Solar 2000 watt Inverter, 1999 Ford F250 2WD 7.3 4R100 DP Tuner, S&B Cold Air Intake, Gauges, 6.0 Trans Cooler, Air Bags.


pianotuna

Regina, SK, Canada

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Posted: 01/25/21 11:45am Link  |  Quote  |  Print  |  Notify Moderator

1L243,

Since the converter you own is a "dog", you might consider getting an inverter/charger.

If you feel comfortable with Renogy, this looks good.

https://www.amazon.ca/Renogy-PCL1-30111S........er&qid=1611600121&sr=8-6&tag=googcana-20

A 3000 watt won't have any issues running stuff in the RV other than perhaps the roof air.

For $100 less they make a 2000 watt.

Neither are hybrid units.

Just add it to the system--and leave the OEM converter as a back up.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, soon to have SiO2 batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

1L243

Oregon

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Posted: 01/25/21 04:32pm Link  |  Quote  |  Print  |  Notify Moderator

Am I to assume that the concerns with the WFCO 8900 converter charging or not charging the batteries correctly only a issue when I am plugged into shore power and nothing to do with Solar correct?

When charging the batteries on Solar through the Solar charger/controller with built in safe guards there should be no issue correct?

PS I purchased the Renogy 2000w Pure Sine Wave Inverter

* This post was edited 01/25/21 04:38pm by 1L243 *

1L243

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Posted: 01/25/21 04:37pm Link  |  Quote  |  Print  |  Notify Moderator

Battery Monitor
I like this unit
https://www.amazon.com/dp/B081SXH9TK/ref........=UTF8&ref_=psdcmw_14244451_t3_B089KH2NXF

It is as same as the Renogy 500 just does not Say Renogy and it's cheaper.

Thought?

time2roll

Southern California

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Posted: 01/25/21 04:39pm Link  |  Quote  |  Print  |  Notify Moderator

Solar controller should have a voltmeter.

[image]

Give this a go and save your monitor money for next year.
Solar may have you full charge by noon on many days and not much to talk about.

* This post was edited 01/26/21 07:51pm by time2roll *


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BFL13

Victoria, BC

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Posted: 01/25/21 04:53pm Link  |  Quote  |  Print  |  Notify Moderator

The problem is knowing what shape those 27s are now in, which needs an hydrometer.

You have overly long gen time if all it does is 13.6. The batts need 14.6 to be properly charged. (see hydrometer results)

Some days are not so sunny, so you have to do some gen time first (at 14.6) and then let solar finish up in whatever time it has before dark.

You need an hydrometer anyway if you get a monitor so you can zero the monitor when it gets out of whack, which is fairly often. You zero it when the batts are full as indicated by the hydrometer.

This might all seem like being pushed where you don't want to go for battery stuff, but there is no rush to buy things --except that hydrometer. One step at a time.


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time2roll

Southern California

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Posted: 01/25/21 04:55pm Link  |  Quote  |  Print  |  Notify Moderator

No way am I taking a hydrometer camping. That is over the cliff for me.

1L243

Oregon

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Posted: 01/25/21 05:02pm Link  |  Quote  |  Print  |  Notify Moderator

Technical Factoid Question

I was watching a video of Solar Charger Controller and wiring installation and they said to put the charge controller within 5 feet of the battery? Is this because they only provided 5 feet of wiring or the run between the charge controller and the battery has to be kept short due to voltage drop.
If I had to put the charge controller that close to my batteries I would not be able to view the display although it does have a bluetooth feature.

My planned charge controller mounting location and batteries would be a distance of 20 feet!

BFL13

Victoria, BC

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Posted: 01/25/21 05:10pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

No way am I taking a hydrometer camping. That is over the cliff for me.


Right, you do that at home.

--Yes, get the controller as close as possible. You don't need to see the display. Just have a voltmeter gizmo you stick in a 12v socket (some have USB slots too) and keep an eye on voltage once in a while. Actually, a real monitor is possibly more info than you really need--IMO wait on that and see if you want one after trying it with just the voltmeter display.

This is just one typical one:

https://www.amazon.com/Palumma-Charger-A........Y2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=

* This post was last edited 01/25/21 05:28pm by BFL13 *   View edit history

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