“after a power failure and it is backing up how many watts can it supply and for how long?”
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True power (Watts) is Volt-Amps times the power factor. The power factor depends on the load. In an AC circuit, inductive (magnetic coil) loads (e. g. motors) or capacitive loads (power supplies) can shift the phase of the current with respect to the voltage (i. e., one is delayed in time compared to the other). This is measured by a phase angle, so if the current is delayed by 1/8th of a cycle, the angle is 45° (360°/8). The power factor is the cosine of the phase angle, which in our example is about 0.7071. The power a 650 VA UPS can deliver to this particular load is 650 * 0.7071 = 460 Watts. Many newer Energy Star rated electronic products have built-in power factor correction, so they will have a power factor close to 1 and can make better use of the capacity of the UPS.
Sorry, there was a problem. Please try again later.I am not sure what the conversion is from VA to watts. The UPS unit is meant to provide enough time to shut down the computer in the even of a power failure so you don't loose the work you are doing. Depending on the configuration of your equipment this will vary. I usually figure 10 minutes for a unit this size assuming you only have the monitor and cpu plugged in to the battery side.
Sorry, there was a problem. Please try again later.That answer would all depend on the load and the settings (if using PowerPanel Personal)
Sorry, there was a problem. Please try again later.The SX650U is a 360 watt unit. Listed in the specifications, you can find run time estimations for half load at 9 minutes and full load at 2 minutes. Thank you for submitting your question!
Sorry, there was a problem. Please try again later.According to specs, 360w. As for how long, that would be near impossible to answer since we do not know what you would have plugged into it. Personally I use this particular one for just my modem, router and a single LED monitor, so in my case I would say I would get a decent amount of run time, maybe as much as an hour or so, longer if i turned off the monitor when the power went out. If you are going to have a computer plugged into it as well, then I would say 5 to 10 minutes, long enough for the software to do it's job and gracefully shut down the pc. But, again that would depend on the computer as well, a prebuilt with a 250-300w PSU will last longer than a gaming machine with full rgb lighting and a 750w PSU. The purpose of a UPS isn't so much to keep it running as it is to either carry you through a power hiccup or prevent damage from an unplanned hard shut down. That all being said, if youa re looking to keep a computer up and running a bit longer, my suggestion would be something like what I recommended down below
I would recommend:
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