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Path: ...!2.eu.feeder.erje.net!feeder.erje.net!csiph.com!news.bbs.nz!.POSTED.agency.bbs.nz!not-for-mail From: nospam.Richard.Falken@f1.n770.z14837.fidonet.org (Richard Falken) Newsgroups: comp.sys.raspberry-pi Subject: Backup power supply Date: Wed, 13 Mar 2024 13:19:46 +1300 Organization: Agency HUB, Dunedin - New Zealand Message-ID: <710368823@f1.n770.z14837.fidonet.org> References: <uss93l$1jcu$1@hugayda.aid.in.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Injection-Info: news.bbs.nz; posting-host="8IWYKlztXHa0+IViEdY46zrq8kpk7dC9fTbT74JiSDQ"; logging-data="18876"; mail-complaints-to="abuse@news.bbs.nz" User-Agent: VSoup v1.2.9.47Beta [95/NT] X-MailConverter: SoupGate-Win32 v1.05 X-Comment-To: Andriy D Bytes: 2319 Lines: 34 Re: Backup power supply By: Andriy D to All on Wed Mar 13 2024 01:18 pm > Hi, > > I'm considering adding some backup power supply for my RPi2 mainly > to avoid filesystem issues which may be caused by a short power outage. > There are some interesting schematics online as well as some quite > cheap 'manufactured' options. But I'm wondering, maybe someone has > some experience / feedback to share? > > Cheers, > > \aID > > --- SoupGate-Win32 v1.05 > * Origin: Agency HUB, Dunedin - New Zealand | Fido<>Usenet Gateway (3:770/3 Any inexpensive backup power unit from a recognized brand will do. There is no need to overthinkig it if you don't want to. The cool thing of an Uninterrupted Power Supply from a recognized manufacturer is you can get one the RPi can talk to over USB (or whatever), so the RPi will be aware of the stat of the battery and shutdown if it gets dangerously low. Production servers hooked to complex power systems are able to send you an email to your smartphone if power goes out, or if battery gets dangerously low etc. because of this reason. Building one yourself? I have never done it but it looks quite doable. Keep in mind that starting an electrical fire or spilling the contents of your homemade battery on your carpet sucks. I'd use a self-made unit for the fun of it in a safe environment but I would not leave it running 24/7 so happily. -- gopher://gopher.richardfalken.com/1/richardfalken