Does any know anything about the inverter in the power wall? I never hear anyone mention anything about it.
Efficiency, surge, tare loss, repairability, AC charging capability, generator support, AGS, etc. All the normal inverter questions. Thanks Jay Peltz power. > On Jul 19, 2020, at 1:16 PM, Jerry Shafer <jerrysgarag...@gmail.com> wrote: > > > I second what Ray says > Jerry > >> On Sun, Jul 19, 2020, 12:49 PM Ray <r...@solarray.com> wrote: >> There are so many really good Li Iron Phosphate Batteries available, that >> are actually designed for off grid, that I don't see any advantage to using >> a more unstable chemistry that is not designed for off grid. AC coupled is >> a 2nd huge no no for off grid, and can leave an unattended system completely >> inoperable. Anytime the main battery inverter shuts off for any of several >> reasons: overload, overtemp, low battery, etc., it also means that all >> charging of the system ceases as well. >> >> For Off grid, reliability is absolutely #1, and owner safety is directly >> related to that reliability. They can lose water, heat, refrigeration, and >> communications in an outage. I'm just tired of folks dabbling in off grid, >> and not taking it seriously. Why in the world would someone even consider >> using a product that its own manufacturer says should not be used off grid? >> >> Ray Walters >> Remote Solar >> 303 505-8760 >> On 7/19/20 10:54 AM, Jerry Shafer wrote: >>> Hilton, Wrenches >>> As I recall Tesla does not recommend their battery for off grid >>> applications, they need to be connected to the internet and without that >>> there may be warranty issues. I don't think that the off grid world and >>> daily cycling would work well over time either. How would you jump start >>> the power wall if it died do to low voltage cut out, a genny might work if >>> it connects and stays connected this might also affect the warranty. >>> Jerry >>> NABCEP PV inspector >>> >>> On Sun, Jul 19, 2020 at 9:02 AM Hilton Dier III <hiltond...@gmail.com> >>> wrote: >>>> Greetings, Wrenches, >>>> >>>> I have an off-grid client who has been reading the buzz about the Tesla >>>> Powerwall 2.0. I have been reading the data sheets and manual for it and >>>> it appears to be AC coupled only. There was talk of a DC input version, >>>> but apparently that fell by the wayside. I try to be agnostic about >>>> technology, and I'd be willing to subcontract a Tesla-approved installer >>>> if, in fact, this was the best solution. >>>> >>>> Does anybody have experience using the Powerwall 2.0 in an off grid PV >>>> system? Is it AC coupled only? Can it take generator power without >>>> barfing? What is the lead time on these? >>>> >>>> Many Thanks, >>>> >>>> Hilton >>>> >>>> -- >>>> Hilton Dier III >>>> Missisquoi River Hydro >>>> Renewable Energy Design >>>> _______________________________________________ >>>> List sponsored by Redwood Alliance >>>> >>>> List Address: RE-wrenches@lists.re-wrenches.org >>>> >>>> Change listserver email address & settings: >>>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>>> >>>> List-Archive: >>>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>>> >>>> List rules & etiquette: >>>> www.re-wrenches.org/etiquette.htm >>>> >>>> Check out or update participant bios: >>>> www.members.re-wrenches.org >>>> >>> >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> List Address: RE-wrenches@lists.re-wrenches.org >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> List-Archive: >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> >>> List rules & etiquette: >>> www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> www.members.re-wrenches.org >>> >> _______________________________________________ >> List sponsored by Redwood Alliance >> >> List Address: RE-wrenches@lists.re-wrenches.org >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> List-Archive: >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> www.members.re-wrenches.org >> > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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