Date: Fri, 28 Nov 2014 10:28:54 -0800 From: Darren Pilgrim <list_freebsd@bluerosetech.com> To: Paul Pathiakis <pathiaki2@yahoo.com>, freebsd-questions@freebsd.org Subject: Re: UPS for FreeBSD Message-ID: <5478BEE6.30308@bluerosetech.com> In-Reply-To: <5478BD4F.7020306@yahoo.com> References: <CAHieY7QGp2ELF-R91eu=vSrPsimVmVNJQ4kfucQ56PR7EEZmig@mail.gmail.com> <m57qdq$did$1@ger.gmane.org> <54777AB1.9010800@bluerosetech.com> <m581p1$65m$1@ger.gmane.org> <54779629.302@bluerosetech.com> <alpine.BSF.2.11.1411271433320.60866@wonkity.com> <5478BD4F.7020306@yahoo.com>
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On 11/28/2014 10:22 AM, Paul Pathiakis via freebsd-questions wrote: > I agree with Warren on this, I've done the same. > > The only issue with this is the proper disposal of the old batteries. Lead-acid batteries are recyclable. > from their web site, under the SMT750 Features page: > > * Pure sine wave output on battery:Simulates utility power to provide > the highest degree of compatibility for active PFC (power factor > corrected) servers and sensitive electronics. > > "Simulates" utility power. This is the sneaky little bit of marketing. > Saying it's sine output.... It is, but it's simulated. I've been roped > in by the APC marketing machine previously. Rather than trying to read between the lines and conjecturing, hook one up to an oscilloscope. It's a sine wave. The waveform I get out of mine (I have whole lot of SMT-series units) is actually *cleaner* than the mains power.
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