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<blockquote data-quote="Randy B. Singer" data-source="post: 1911498" data-attributes="member: 190607">Users have always misunderstood UPS's.&nbsp; The UPS's that consumers buy to protect their computer equipment aren't really meant to run your computer (or other equipment) from in the event of a blackout.&nbsp; What they are for is, in the event of a blackout, they give you enough time to allow you to save all of your work, close all of your applications, and do an orderly shutdown, after which you should unplug your computer and all associated equipment and wait to use your computer again until the power has been fully and reliably restored, thus avoiding the huge surge that normally accompanies the power coming back on.Consumer level UPS's also condition the power as you use your equipment.&nbsp; The most common source of damage to computer equipment, and the biggest thing that will noticeably reduce your Mac's lifespan, will be sags (but not total blackouts) in the power.&nbsp; That's why you need a UPS with AVR.A consumer level UPS isn't meant to take the place of a generator in the event of a blackout.&nbsp; A consumer level UPS is a failsafe.&nbsp; You shouldn't think of it as a power bank.&nbsp; If you do, you will ALWAYS end up being disappointed.You don't choose a UPS based on &quot;how long will it run my equipment&quot;.&nbsp; You choose it by &quot;will it give me enough time to safely save my work and shut down my computer in the event of a blackout.&quot;</blockquote>

[QUOTE="Randy B. Singer, post: 1911498, member: 190607"] Users have always misunderstood UPS's. The UPS's that consumers buy to protect their computer equipment aren't really meant to run your computer (or other equipment) from in the event of a blackout. What they are for is, in the event of a blackout, they give you enough time to allow you to save all of your work, close all of your applications, and do an orderly shutdown, after which you should unplug your computer and all associated equipment and wait to use your computer again until the power has been fully and reliably restored, thus avoiding the huge surge that normally accompanies the power coming back on. Consumer level UPS's also condition the power as you use your equipment. The most common source of damage to computer equipment, and the biggest thing that will noticeably reduce your Mac's lifespan, will be sags (but not total blackouts) in the power. That's why you need a UPS with AVR. A consumer level UPS isn't meant to take the place of a generator in the event of a blackout. A consumer level UPS is a failsafe. You shouldn't think of it as a power bank. If you do, you will ALWAYS end up being disappointed. You don't choose a UPS based on "how long will it run my equipment". You choose it by "will it give me enough time to safely save my work and shut down my computer in the event of a blackout." [/QUOTE]

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