Lifeline Charge Efficiency Setting

[boB]

Cniemand,  your two pictures are showing two different lifetime values of Amp-Hours and kW-Hours.

One of them, the one on the MNGP screen is from the Whizbang Junior connected to  the  battery  and the Local App screen is
from the Classic's internal shunt measurement.  You CAN actually view those Local App lifetime values on the MNGP in the LOG
menu screen.

So, the WB Jr. measurement is what is coming into/out of the battery and the LA measurement is what is coming out of the Classic
itself...  The Classic itself does not have the information that the WB Jr. does.  Only what THAT particular Classic is seeing out of
its battery terminals.   The LA value you are seeing isn't taking into account other Classics contributing to DC current OR loads
like inverters and such that are taking away from the  DC current (or charging the  batteries if connected to grid or generator, etc)

boB

[Cniemand]

BoB! Ha! Yes! You are correct. One is in aH and the other kWh. My mistake. Thank you for clearing that up!

So... my 3 year old (586 cycles) LFP is suspect at 99% efficiency. Interesting.

- Cloud

[Cniemand]

Also : Batteries are determined by cycle life.

With my system, it has 58,656 aH for Lifetime values. I am assuming with a 100 aH bank (16 - 100aH cells in a series configuration for 48v) That would mean I have 586 cycles on the pack.

My question is whether a cycle truly is a cycle or... If most days I use less than 50% of the pack and thus the next day to get to Float I put in 50-51aH... then spend the rest of the day burning another 100aH worth in electric space heating, did it actually place a cycle or two on the pack? Are all things equal?

Most of my aH used are when the pack remains in Float from 11am to 3pm and beyond depending on season.

An easy definition of an actual cycle is 100%SOC to 0%SOC and then Back to 100%SOC. Is it actually detrimental to a cell to be Full/FLoat and then pass electrons through it for loads without a reduction in %SOC?

Inquiring minds want to know.

[zoneblue]

Also : Batteries are determined by cycle life. With my system, it has 58,656 aH for Lifetime values. I am assuming with a 100 aH bank (16 - 100aH cells in a series configuration for 48v) That would mean I have 586 cycles on the pack.

The lifetime kwh is total classic production. Some/much of that is through the load direct. Only the WBJR data is meaningful for battery cycling. And.. then you have depth of cycles. So, take my case with a 10kWh(C10) bank, and 26083Ah delivered in the last 595 days, thats the equvilent of:

=26083 * 25V /10000 = 67  x 100% DOD cycles,
or 11.2% DOD cycles for 595 days

It also means that of our total production and consumption only 1096Wh/d is sourced from the bank.

As for Kurzweil, you would never know it. Many governments seems hell bent on trying to kill solar. The untimely  death of Herman Scheer was also a major blow to the european solar movement. I have no idea how that will all pan out. The oil industry may yet implode, some crazy stuff going on there at the moment.

[Westbranch]

this mornings business news stated that the Saudis will drop their production by 5(?) % now that Russia has announced they are reducing their output... don't forget Iran is going to be coming on line with more oil too...
Looks like it was all a plot to s**w the Ruskies