5/12/24v lithium DC ups that powers all the devices On Sun, Apr 6, 2025, 11:56 AM Mike Hammett via NANOG <nanog@lists.nanog.org> wrote:
> I'm trying to find something that keeps my customer's network gear online > for a meaningful amount of time. The challenge is that an ONT, firewall, > switch, AP, and some IP phones doesn't add up to be very much load. Most > normal UPSes get terribly inefficient at lower load ratings. Add up all of > the network devices a customer may have and we rarely break 50 watts of > load. Normal, small UPSes are lucky to break 50% efficiency at those loads > whereas they may be 95% efficient at say 100 or 200 watts. Get a bigger > unit with a bigger battery and now you're even less efficient. Get a big > enough unit to have extendable batteries and now you're spending thousands > of dollars for such a small request. > > I've gone asking, but haven't really gotten anywhere. The best technical > solution was from some electronics parts nerds that was basically to build > my own small rectifier and battery system. Great. I can achieve high > efficiencies with small loads, letting me have say 4 or 8 hours of battery. > However, I've got a science project, not something I can deploy at a > customer. > > I'm hoping one of you has the magic bullet in what product a service > provider should use in this scenario. > > Oh, and of course, being able to centrally manage them from my own iron > would be great too. :-) > > > > ----- > Mike Hammett > Intelligent Computing Solutions > http://www.ics-il.com > > Midwest-IX > http://www.midwest-ix.com > > > _______________________________________________ > NANOG mailing list > > https://lists.nanog.org/archives/list/nanog@lists.nanog.org/message/7P2J2YK3S6257XKFJ54NWABALF62DACL/ > _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/nanog@lists.nanog.org/message/5IDSJPILK7CBJ7GL2CDELYDFPXOV56QI/
