From nobody Sun Apr 09 10:41:01 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 4PvTDS1Mh8z44FXG for ; Sun, 9 Apr 2023 10:41:28 +0000 (UTC) (envelope-from smithi@nimnet.asn.au) Received: from h1.out1.mxs.au (h1.out1.mxs.au [110.232.143.235]) (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 4PvTDR5Q3yz3sjN for ; Sun, 9 Apr 2023 10:41:26 +0000 (UTC) (envelope-from smithi@nimnet.asn.au) Authentication-Results: mx1.freebsd.org; none Received: from s121.syd3.hostingplatform.net.au (s121.syd3.hostingplatform.net.au [103.27.34.4]) by out1.mxs.au (Halon) with ESMTPS id 0a6f1fd5-d6c3-11ed-bf4a-00163c39b365; Sun, 09 Apr 2023 20:41:10 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=nimnet.asn.au; s=default; h=Message-ID:From:CC:To:Subject: Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To: Date:Sender:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=A+enwmpbhpNwZ+zeNTXD7ODv+3LnihhJW/7j2KYNI3g=; b=T33AoCwrUiCGj7y6sOrZF14LAh bm9J/+zIa2UBB2XSzv2SE8LLrwDzIWDs+bE6Ch0Z0+0Qx20MNfnQhHMulJnUXxELm4kynGXmcQECt hruq4wOxkb7QvHXChjQxD8ZBDJpM0B6PXFkqZljwq4bnzeqePDnbNL87XopmQlaS4kmXHlxuJSi8e M/LKdx/hezLhRIqhx2uJpjHbZF5VG/988gNAt66+rEqNvceuvqR0cNQR/TsP0UmNP/S+90KQ2sqrr zKXZ4HxshZtEfUJLh1lI9k2bwlexJJz+/e3PHr/LOy1Z5sGhxtQOp9kj0fXQGDhCuiZfAgDM8GfI7 fBhTFC1g==; Received: from [1.144.180.32] (port=52625 helo=Galaxy-J5-Pro) by s121.syd3.hostingplatform.net.au with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1plSTt-002CGm-26; Sun, 09 Apr 2023 20:41:09 +1000 Date: Sun, 09 Apr 2023 20:41:01 +1000 User-Agent: K-9 Mail for Android In-Reply-To: References: 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; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: seeking recommendation: UPS for Freebsd To: Olivier ,Chris Hill CC: roberthuff@rcn.com,questions@freebsd.org From: Ian Smith Message-ID: <9696D441-4956-4DF0-A03D-3FD9486DF680@nimnet.asn.au> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - s121.syd3.hostingplatform.net.au X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - nimnet.asn.au X-Get-Message-Sender-Via: s121.syd3.hostingplatform.net.au: authenticated_id: smithi@nimnet.asn.au X-Authenticated-Sender: s121.syd3.hostingplatform.net.au: smithi@nimnet.asn.au X-Source: X-Source-Args: X-Source-Dir: X-Rspamd-Queue-Id: 4PvTDR5Q3yz3sjN X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:45638, ipnet:110.232.140.0/22, country:AU] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-ThisMailContainsUnwantedMimeParts: N On 9 April 2023 2:12:23 pm AEST, Olivier wrote: > >> I have an older APC UPS (BackUPS RS 1500) that after years of=20 > >> excellent service _may_ need to be replaced=2E > > > > Do check the batteries first=2E The lead-acid gel cells used in UPSes > > don't last forever, and will need to be replaced now and then=2E If y= our > > UPS is 10-ish years old or more, I'd suspect the batteries first=2E > From experience, my batteries usually last 2 to 3 years in APC=2E That = may > be due to cheap quality=2E=2E=2E So I know I have to change the batteri= es > 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=2E We've had a couple of smaller Eatons, and found decent quality 12V gel cel= ls tend to last 3 to 5 years, depending on how often they're discharged tow= ard exhausion - maybe a dozen times some years, in a rural high-thunderstor= m area=2E Even if rarely discharged I'd be surprised to get 10 years from a gel batt= ery, apart from large stationary (e=2Eg=2E solar) setups=2E When we remember, we do an annual measurement exhaustion test, to be sure= =2E cheers, Ian