Runtimes for Smart-UPS range at low powers - minimum load?

[sandmandev]

I am exploring predicted run times for the SMX and SMT ranges. In the UPS selector for power draw of 30W and below the SMX750i and 1000i fail to appear. Do they have a minimum load below which they do not operate or is it a bug in the runtime estimate calculation?

Background: load of around 100W which can be shut down in around 5 minutes (then switched off using an outlet group) leaving high priority load of 20-30W which needs to kept running for 3-5 hours.

Thanks

[Teken]

The online calculator requires a minimum of 90 watts to be entered. A SMX1000 at 90 watts indicates a operational runtime of 2 hours 9 minutes. 

In a real world use the system would operate just fine during a grid down / lights out event. The only thing that would not be very accurate is the efficiency, current, and power draw (displayed) by the system. 

Regardless of the above at 30 watts the operational runtime would be over three hours plus. 👍

NOTE: If the choice is between the SMX vs SMT Series purchase a SMX! ☝️

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