Balmar smart gauge and 10 hour AH testing

BFL13 wrote:

lawrosa wrote:
Yes... Its a bit excessive but I was caught last yea twicer with dead batteries , 2 kids, 2 grand kids, and 4 adults. With a day to go camping and no good way to charge....

I found this.. If the dc24 is listed in that one flyer then this must follow..

And that 12.4 corrolates with 1.225 as 75% soc..

Odd also @ 6c battery temp I should lose capacity.

http://www.mkbattery.com/documents/12672064_SolarMonoBlockFlooded_MED.pdf

Yes, you have a mystery there to solve. You were getting readings from your MT50 which is possible with the controller connected to the batts but disconnected from the panels. But your voltages are high or else you have bigger batteries than stated. I suspect the solar was still on, but no way to tell from here. You will find out what is going on eventually :)

If my solar was on you would see amps going in with all the pics I posted of the MT50.




Aside from that I physically unplugged the RV from the outlet when I started the test. If it was plugged in there is no way I would have drained those batts to 1.225.

My truck was 8 feet away. and even facing forward and not backed in. So no cord attached there...

I know its hard to believe..LOL... But I do things systematically as best I can and have a bit OCD. I like to analyze things ...

I bought these battery 2012.. Ill check the actual dates tomorrow.

And yes they are duracell dcc24.s Its all I could cram on the tongue..



hp24dc.

https://www.driveduracell.com/pub/media/wysiwyg/1853.pdf


And thank you all for helping me out... Your knowledge is invaluable...

And possibly try this again with more time... And as was suggested to use the inverter... I would have to find like a 75 watt load I assume and account for inverter losses...

Just a thought...

But lets see how these batts charged up tomorrow. I was already down to 10 amps going into them from the PD. a few hours ago...