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Search took 0.00 seconds. Search: Posts Made By: john61ct
Forum: Electrical: Batteries, Generators & Solar 22-03-2018, 13:49
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

OK clear, and yes all that's self-evident to me.

Bogart's Pentametric is good monitor with some flexibility for those wanting a standing setup logging such data from multiple points.

It does...
Forum: Electrical: Batteries, Generators & Solar 22-03-2018, 05:13
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

Are you saying two meters in the same location are required because they are one-way?

Every battery monitor I've seen measures two way, net current result of both in and out from a single shunt.
Forum: Electrical: Batteries, Generators & Solar 21-03-2018, 18:34
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

Everything at Maine Sail's website is golden

https://marinehowto.com/programming-a-battery-monitor/
Forum: Electrical: Batteries, Generators & Solar 21-03-2018, 12:59
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

The real tests are a major PITA for most, require equipment on mains power and hardly anyone bothers.

Most BM's are wildly inaccurate, and that's just one reason why.
Forum: Electrical: Batteries, Generators & Solar 21-03-2018, 08:15
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

In a bank monitoring scenario it usually does.

With the APP connection approach I describe it can be more mobile, used to meter specific loads or charge sources.

As you would with a clamp...
Forum: Electrical: Batteries, Generators & Solar 21-03-2018, 05:52
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

You do not need "two shunts" to accurately audit all charge sources and all loads.

A shunt only measures the current passing through it, and it does measure all of it.

A BM shows everything...
Forum: Electrical: Batteries, Generators & Solar 20-03-2018, 08:03
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

Start with Victron BMV (if not using Multi or Quattro)*and a CCGX, Color Control GX
Forum: Electrical: Batteries, Generators & Solar 20-03-2018, 06:28
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps do you use a day?

Obviously a nice $200 BM is great if you want the full picture. Whenever I recommend those I get a chorus of "unnecessary, overkill, KISS" replies, even when SoC is the thread topic, which is not the...
Forum: Electrical: Batteries, Generators & Solar 19-03-2018, 11:46
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

Second thoughts about snark, all corrections are welcome!

Good explanation of power vs energy https://cleantechnica.com/2015/02/02/power-vs-energy-explanation/
Forum: Electrical: Batteries, Generators & Solar 19-03-2018, 11:44
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

I'm hoping he'd actually have had personal experience with either.
Forum: Electrical: Batteries, Generators & Solar 19-03-2018, 09:20
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

Why do you think that would be better than the 180A one in my post #4?
Forum: Electrical: Batteries, Generators & Solar 19-03-2018, 06:47
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps Hours do you use a day?

Voltage is thus a very poor indicator of SoC, too many variables.
Forum: Electrical: Batteries, Generators & Solar 18-03-2018, 15:32
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps do you use a day?

A $30 AH counter will tell you.

Watts Up is a branded one, but obviously bigger amp currents may require something more robust.

This one may be good enough for most, just don't run cranking a...
Forum: Electrical: Batteries, Generators & Solar 18-03-2018, 15:21
Replies: 127
Views: 25,100
Posted By john61ct
Re: How many Amps do you use a day?

That would have to be AH (amp hours) for a quantity of power used over time, or stored.

Amps are an instantaneous measure of flow rate.
Showing results 1 to 14 of 14

 
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