Yeah, I did this for the last hurricane that knocked out our power. $10k worth of meds in our fridge for two of our kids had to stay cold & I didn't have a generator yet. Now I have a generator & a solar battery kit.
Anecdote, but all of my friends & family members that depend on me for computer support have already stopped using it. IT at my company has also decided to stop loading it with their install images, because "ads are known attack vectors".