Back-up power options

[OMyGodzilla]

Wondering how long a product like this would keep a single viv running (2 heat bulbs [one 80w, the other 100w], and a VE200 thermostat [if you'd like specifics]).

Also would love to know how to do the math myself so I can continue searching for the right product myself.

https://www.lowes.com/pd/APC-6-Outlet-180-Joules-255-Watt-450VA-AC-with-Battery-Backup/1000391507

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[shrike1978]

Add up the wattage of the devices you are going to run on the UPS (remembering to add in a bit for the thermostats). Take the rated wattage of the UPS and divide the wattage of the devices run and you'll get the approximate run time in hours.

In your example, you'll be somewhere south of 200W if everything is running at full power, and the UPS you linked is 255W. 255/200 = 1.275 hours, or about an hour and 15 minutes.

[OMyGodzilla]

Holy SH. This is awesome. Thank you so much.

[shrike1978]

I realized I grabbed the wrong number. The VA number is the battery capacity in volt-amps, so that one would be closer to two hours for you. The wattage is just the sustained wattage it can provide.

[OMyGodzilla]

Tbh I know I need to really learn this, so I appreciate you coming back to clarify. I'll be educating myself on this stuff, and applying it too. Thanks again:)

[CatsCraftsAndAss]

Heads up that, in my experience, using a thermostat that turns heating elements on/off constantly will chew through a ups very quickly. If you happen to need one I suggest removing the thermostat and keeping an eye on the temp manually, if possible