Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Carlos E. R." Newsgroups: alt.comp.os.windows-11,comp.os.linux.misc Subject: Re: Surviving Power Failures (was Re: Real-time OSs) Date: Fri, 15 Aug 2025 23:14:23 +0200 Lines: 21 Message-ID: References: <106mke5$1di32$1@dont-email.me> <107070d$3hvho$1@dont-email.me> <1071hb2$3qqje$2@toylet.eternal-september.org> <1071jbr$3ra8s$1@dont-email.me> <10746fg$h625$2@dont-email.me> <20250808081850.00002e14@gmail.com> <1075pla$ukab$1@dont-email.me> <20250808144937.000021b1@gmail.com> <10761aq$vv6o$3@dont-email.me> <10777f7$17kq4$8@dont-email.me> <6uqkmlxjb8.ln2@Telcontar.valinor> <1079oe9$1ppd6$6@dont-email.me> <107ab26.3rg.1@ID-201911.user.individual.net> <3rkmmlxplv.ln2@Telcontar.valinor> <107cipt$2g8mr$9@dont-email.me> <107ghmk$3j56j$4@dont-email.me> <107kfi2$d4vh$21@dont-email.me> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net DtaBC9YS+OEc3iWQCekg9wRX2gb90uCqJJGyqjyIC2nGbjk0dq Cancel-Lock: sha1:9NcBdkFa8xXjHf8vjzetNGv1wlk= sha256:PSp6CdnV3mbOu/Dm78dohwOay+jc9iLMzWLkvYR5cLI= User-Agent: Mozilla Thunderbird Content-Language: en-CA, es-ANY In-Reply-To: Xref: csiph.com alt.comp.os.windows-11:22223 comp.os.linux.misc:71272 On 2025-08-15 22:16, rbowman wrote: > On Fri, 15 Aug 2025 12:15:43 +0200, Carlos E. R. wrote: > >> I forgot to mention that the optimal solution is for the router to have >> its own battery. This will truly last hours. Having an UPS generating >> the mains AC voltage from a 12V battery, and then convert back to 12 VDC >> for the router, is a big waste. >> >> Alternatively, power the router via a 12 volt power supply with battery >> backup. > > My Wifi router/4G modem does have its own battery and will last for close > to 10 hours. Last summer when the power was off for 6 days it didn't > help. With my UPS I generally wait for 10 minutes before powering the > boxes off when the lights go out. Wow, six days! -- Cheers, Carlos E.R.