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Forum: Electrical | Charging, Systems, Solar and Generators 08-13-2019, 03:38 PM
Replies: 41
Views: 4,308
Posted By RossWilliams
That is precisely correct. And the ability to...

That is precisely correct. And the ability to misuse out of ignorance a complex battery monitor that promises you an accurate state of charge under all conditions is very high. You need to understand...
Forum: Electrical | Charging, Systems, Solar and Generators 08-13-2019, 12:19 AM
Replies: 41
Views: 4,308
Posted By RossWilliams
You also might want to take a look at this Rolls...

You also might want to take a look at this Rolls Battery description of voltage readings (https://support.rollsbattery.com/support/solutions/articles/10372-voltage-readings-state-of-charge). Its...
Forum: Electrical | Charging, Systems, Solar and Generators 08-09-2019, 06:08 PM
Replies: 41
Views: 4,308
Posted By RossWilliams
Look at the two formulas: Flow of Water =...

Look at the two formulas:

Flow of Water = size of pipe times the velocity

Flow of energy = amps times volts

In fact, of course, electricity isn't a fluid, isn't stored in the battery and...
Forum: Electrical | Charging, Systems, Solar and Generators 08-09-2019, 04:04 PM
Replies: 41
Views: 4,308
Posted By RossWilliams
"fluid flow rate = area of the pipe or...

"fluid flow rate = area of the pipe or channel×velocity of the liquid" (https://www.softschools.com/formulas/physics/flow_rate_formula/88/)

Watts=Amps x volts

For our purposes we use energy and...
Forum: Electrical | Charging, Systems, Solar and Generators 08-08-2019, 03:42 AM
Replies: 41
Views: 4,308
Posted By RossWilliams
The first thing to understand is that batteries...

The first thing to understand is that batteries don't store electricity, they store energy in chemical bonds. The appliances in our RV use energy to do stuff. Electricity is used to convey the energy...
Forum: Electrical | Charging, Systems, Solar and Generators 08-07-2019, 03:02 PM
Replies: 41
Views: 4,308
Posted By RossWilliams
Side discussions moved from "What a battery monitor may not tell you"

Its also easy to misuse it as the article makes clear. And the consequences are not obvious. If you draw your AGM batteries down to 15% when you think you are at 50% there is not going to be any...
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