I had a situation with a Sonnon system where the controller missed it's
turn off point and discharged the batteries until there was not enough
voltage to keep the BMS running. I jury rigged two 300W panels in parallel
and charged the batteries directly until they turned on the BMS.

On Thu, Aug 10, 2017 at 2:06 PM, Starlight Solar Power Systems <
la...@starlightsolar.com> wrote:

> Jay,
>
> After LVD, with Relion, LiFeBlue and the new Elite PS ABC-CPU, the BMS
> will keep the battery off until you begin to charge. The battery will
> automatically come back online.
>
> Larry
>
>
> On Aug 10, 2017, at 7:43 AM, Jay <jay.pe...@gmail.com> wrote:
>
> Hi Dave,
>
> This is wonderful info.
> And it leads into the what happens when it reaches LVD?
> Given that it is using almost 10% per day of battery capacity for the BMS,
> what happens when the charging source for whatever reason shuts down. ( CC
> dies while people are gone for a few days for one example)
> The BMS turns off the loads, but what turns off the BMS and how do you
> turn it back on when it happens?
>
> Thx
>
> Jay
> Peltz power
>
>
>
> > On Aug 9, 2017, at 6:21 PM, Dave Angelini Offgrid Solar <
> offgridso...@sti.net> wrote:
> >
> > FYI, the LG Chem RESU10 consumes about 40 watts or less with the XW+ main
> > breaker off.
> >
> >
> >
> >> Hi Jay and Dave,
> >>
> >> LiFeBlue battery has a wireless Bluetooth monitor that is connected to
> the
> >> BMS in each battery. SoC, current, cycle life, voltage, health, battery
> >> faults and more is provided on the free IOS or Android App. Up to 62kWh
> at
> >> 48 volts available today.
> >>
> >> http://www.lifebluebattery.com/the-smartest-lithium-battery/index.html
> >>
> >> Larry
> >>
> >>
> >> On Aug 4, 2017, at 5:05 PM, Jay <jay.pe...@gmail.com> wrote:
> >>
> >> Yes true. I haven't found the perfect off grid lithium battery.  But
> until
> >> the prices come down, I become a better sales person, or I get rich
> >> clients not a big problem for me.
> >> You will have to use external % meter, but been doing that for long
> time.
> >>
> >> Sure good comm would be better, however one of the questions no one
> seems
> >> to have an answer for is energy consumption for the BMS, any BMS.
> >>
> >> On a different note, how does the LG or PW deal with dark start?  If it
> >> shuts down due to low voltage, how do you get it started again?
> >>
> >> Jay
> >>
> >>
> >>
> >>
> >>
> >>
> >>> On Aug 4, 2017, at 4:26 PM, Dave Angelini Offgrid Solar
> >>> <offgridso...@sti.net> wrote:
> >>>
> >>> Jay,
> >>>
> >>> Without battery BMS data for Soc how does one know? I assume you need
> an
> >>> external shunt and an energy monitor? Any guidance from the
> >>> manufacturer?
> >>>
> >>> One of the nice things about the LG resu 10 is the data is all there
> and
> >>> it stays very accurate even on a week with never finishing charge to
> >>> 100%.
> >>>
> >>>
> >>> Dave Angelini Offgrid Solar
> >>> "we go where powerlines don't"
> >>> http://members.sti.net/offgridsolar/
> >>> e-mail  offgridso...@sti.net
> >>> text 209 813 0060
> >>
> >> ________________________
> >
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> Thank you,
>
> Larry Crutcher
> Starlight Solar Power Systems
> (928) 342-9103
>
>
>
>
>
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-- 
Chris Mason
NABCEP Certified Solar PV Installerâ„¢
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com <http://www.cometenergysystems.com>
264.235.5670
869.662.5670
Skype: netconcepts
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