From nobody Sun Apr 09 04:12:23 2023 X-Original-To: questions@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4PvJbm4VBsz43Y88 for ; Sun, 9 Apr 2023 04:12:36 +0000 (UTC) (envelope-from Olivier.Nicole@cs.ait.ac.th) Received: from mail.cs.ait.ac.th (mail.cs.ait.ac.th [192.41.170.16]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4PvJbj0tSRz3FR5 for ; Sun, 9 Apr 2023 04:12:32 +0000 (UTC) (envelope-from Olivier.Nicole@cs.ait.ac.th) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=cs.ait.ac.th header.s=selector1 header.b=AJpYDgMO; spf=pass (mx1.freebsd.org: domain of Olivier.Nicole@cs.ait.ac.th designates 192.41.170.16 as permitted sender) smtp.mailfrom=Olivier.Nicole@cs.ait.ac.th; dmarc=pass (policy=none) header.from=cs.ait.ac.th Received: from mail.cs.ait.ac.th (localhost [127.0.0.1]) by mail.cs.ait.ac.th (Postfix) with ESMTP id B4B5E89286; Sun, 9 Apr 2023 11:12:25 +0700 (+07) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cs.ait.ac.th; h= content-type:content-type:mime-version:message-id:date:date :in-reply-to:subject:subject:from:from:received:received :received; s=selector1; t=1681013545; x=1682827946; bh=AmprpEnSL ut35P1MdIL0r+NV3o+6nMjT2r3BgL9yesU=; b=AJpYDgMO5YeltnqZ1gmH+IuEV J2ByoTf0F4OwwULYbRKKck7vKerkoRWdEetRfY8xmjHP0U42efY/Fft1zhGunx9o RZiGsKsdxyZ0XYD0/1/Qi9XUnSJMWM3SjBMyURpKQmAtfDbRHSEJXfNEqg6hF7PM 0QFrVNe+09ra/gtzNs= X-Virus-Scanned: amavisd-new at cs.ait.ac.th Received: from mail.cs.ait.ac.th ([127.0.0.1]) by mail.cs.ait.ac.th (mail.cs.ait.ac.th [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id MWgcQd3Te3GU; Sun, 9 Apr 2023 11:12:25 +0700 (+07) Received: from banyan.cs.ait.ac.th (banyan.cs.ait.ac.th [192.41.170.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.cs.ait.ac.th (Postfix) with ESMTPS id 05BD689283; Sun, 9 Apr 2023 11:12:24 +0700 (+07) Received: (from on@localhost) by banyan.cs.ait.ac.th (8.15.2/8.15.2/Submit) id 3394CNSA093364; Sun, 9 Apr 2023 11:12:23 +0700 (ICT) (envelope-from on@banyan.cs.ait.ac.th) From: Olivier To: Chris Hill Cc: roberthuff@rcn.com, questions@freebsd.org Subject: Re: seeking recommendation: UPS for Freebsd In-Reply-To: (message from Chris Hill on Sat, 8 Apr 2023 23:35:31 -0400 (EDT)) Date: Sun, 09 Apr 2023 11:12:23 +0700 Message-ID: List-Id: User questions List-Archive: https://lists.freebsd.org/archives/freebsd-questions List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-questions@freebsd.org X-BeenThere: freebsd-questions@freebsd.org MIME-Version: 1.0 Content-Type: text/plain X-Spamd-Result: default: False [-4.67 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.97)[-0.975]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; DMARC_POLICY_ALLOW(-0.50)[cs.ait.ac.th,none]; R_DKIM_ALLOW(-0.20)[cs.ait.ac.th:s=selector1]; R_SPF_ALLOW(-0.20)[+mx]; RCVD_IN_DNSWL_MED(-0.20)[192.41.170.16:from]; MIME_GOOD(-0.10)[text/plain]; FROM_EQ_ENVFROM(0.00)[]; MLMMJ_DEST(0.00)[questions@freebsd.org]; DKIM_TRACE(0.00)[cs.ait.ac.th:+]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; FROM_HAS_DN(0.00)[]; RCVD_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; RCVD_TLS_LAST(0.00)[]; TO_DN_SOME(0.00)[]; ASN(0.00)[asn:4767, ipnet:192.41.170.0/24, country:TH] X-Rspamd-Queue-Id: 4PvJbj0tSRz3FR5 X-Spamd-Bar: ---- X-ThisMailContainsUnwantedMimeParts: N >> I have an older APC UPS (BackUPS RS 1500) that after years of >> excellent service _may_ need to be replaced. > > Do check the batteries first. The lead-acid gel cells used in UPSes > don't last forever, and will need to be replaced now and then. If your > UPS is 10-ish years old or more, I'd suspect the batteries first. From experience, my batteries usually last 2 to 3 years in APC. That may be due to cheap quality... So I know I have to change the batteries on a regular basis, to the point I have the batterie installation date on a sticker on the front of the UPS's so I can know when I need to change them. Olivier