So why not use one of the garage doors that has a built in backup battery and just charge the built in battery directly? Its got all the internals already done?
Install a CC and PV module and you are all done? Jay peltz power > On Feb 1, 2018, at 12:18 PM, Jerry Shafer <jerrysgarag...@gmail.com> wrote: > > John > Samlex makes small pure sine wave inverters from 12 to 48 volts and down to > 150 watts > Jerry > > On Wed, Jan 31, 2018 at 5:23 AM, Dana <d...@solarwork.com > <mailto:d...@solarwork.com>> wrote: > Wow, this is flash from the past… I had almost forgotten about running DC in > a house or garage. > > With todays inverter efficiency’s & costs VS. the cost of proper DC wire > sizing, garage lighting?, & having to modify a reliable lift system, etc. > > Is there really a cost savings in the longs run? > > > > It’s a garage, are you going to need to run any AC tools, battery chargers? > > I mean it is a potential man cave, really now…. > > > > ---------------------------------------------------------------------------- > > Dana Orzel Great Solar Works, Inc. > > C - 208.721.7003 <tel:(208)%20721-7003> > d...@solarwork.com <mailto:d...@solarwork.com> > Idaho Contractor - # 028765 Idaho PV # 028374 > > NABCEP # 051112-136 www.solarwork.biz > <http://www.solarwork.biz/> > "Responsible Technologies for Responsible People since 1988" > > P Please consider the environment before printing this email. > > > > > > From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org > <mailto:re-wrenches-boun...@lists.re-wrenches.org>] On Behalf Of Darryl Thayer > Sent: Wednesday, January 31, 2018 3:46 AM > To: newrewrenches <RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org>> > Subject: Re: [RE-wrenches] 12/24v garage door opener..... > > > > I have measured the energy used by a garage door opener on more than one > occasion. they draw a fair amount of power while operating, however. they > don't draw power otherwise so the total energy is very low. I am wondering > if a low cost non pure sine inverter to AC operated off the switches which > would be low voltage would not serve the same low energy use and reliability > of a DC garage door opener > > > > On Jan 31, 2018 2:39 AM, "John" <j...@gosolar.co.nz > <mailto:j...@gosolar.co.nz>> wrote: > > Hi all, any recommendations where to find 12 or 24v garage door openers. > Can’t remember this coming up on the list beforehand. It is just for a > single car garage door. Don’t want to use an inverter, usually better to > go direct to a dc motor. > > Once I have a suitable opener, I can design the rest of the system around it. > > Thanks for any/all input. John Veix, > GoSolar Ltd, N.Z. > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > www.members.re-wrenches.org <http://www.members.re-wrenches.org/> > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org> > > List-Archive: > http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > <http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html> > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > www.members.re-wrenches.org <http://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://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org >
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