THe one or two that I tested on lowvoltage input seemed to work OK. They are so cheap that it doesnt hurt to try. bob
On Mon, Feb 15, 2021 at 10:26 PM Lee Hart via EV <[email protected]> wrote: > Robert Bruninga via EV wrote: > > FWIW, I have a 72 volt UPS for some house backup power, but there are no > y tr> cheap 72 volt solar chargers. So I plan on hooking up three DC/DC > float > > power supplies set to 13.8 volts, one across each of the three 12v > > batteries. Their inputs will all be connected to three solar panels in > > series (90 to 110 VDC) and outputs one-each to the batteries.. > > > > Best I can tell, they will each do their thing independently, due to > > primary/secondary isolation and maintain the charge, and be cheap. Yes, > > not multi-stage chargers, but since we have never lost power in almost 10 > > years, this is not a daily charge/discharge thing. Just a simple float > > application. > > Bob, note that a "120 vac" power supply may, or may not work on DC. Even > if it does, 120 vac corresponds to 170 vdc. So it is unlikely to work on > 72 vdc. > > Lee Hart > > -- > If Valentines are on your mind, here's a daily list to find: > - something to do > - something to look forward to > - someone to love > - someone to take good care of > - and misbehave, just a little > -- > Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com > > -- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/ > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210216/ed220f1b/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org
