I am looking at using a PowerWall2 for essential circuit backup.
One of the circuits is a freezer which has a power factor of 0.60 and running amps of 2.0. This means energy use is 240 volt-amps (VA) but only 144 watts (120v * 2a * 0.60pf).
So, in theory should the freezer run 91.7 hours...