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I'm only half kidding. I'm a bit of a prepper and I have lots of powerbanks and devices that charge from USB but besides idling my truck I really had no other way to charge any of them in case of a long-term power outage which seemed a bit of an oversight on my part.
Not like this solves the issue. 30 watts (under ideal conditions) isn't much but it's a start.
Or maybe hoarders overestimate how much and how long they can rely on their digital stuff.
Once you let go of heating and cooling, larger temperature variations are going to do a number on you consumer grade electrical devices. Your solar panels are one heavy hails storm away from destruction, and if we assume climate change is the cause of the apocalypse, you can count on those.
The best way to survive an apocalypse is to rebuild communities with a wide set of skills, and still dramatically lower our quality-of-life AND HEALTH expectations.
You know, you can charge your house? With a large enough battery and enoug PV power you can operate a heat pump off the grid to control the climate of your home.
The feasibility varies a bit, depending on where exactly you live, but there are definitely useful things you can do with solar power and batteries.
Nothing that a 30W panel can manage though. And I definitely agree to your point about rebuilding communities.
Yeah whole home battery systems and a portable 30W panel are a bit different haha.
I’ve got solar with a 42kWh home battery system, with a petrol generator backup that can power the whole house via a change-over switch, but even that in an apocalypse isn’t gonna do much - especially when, like in a blackout now, I’m the only house on the street with lights on.
Ofc, that's on a whole different level.
Your 42 kWh is huge. Pair that with an approriately sized roof solar panel, and you won't need a grid much. Seriously, look into that. Not even for living off the grid, but for financial reasons.
Though yeah, having the lights on and appliances running, might paint a target on your house in an apocalyptic scenario. But nobody's forcing you to use the lights, and a heat pump with ground water or earth collector as a source is pretty stealthy. So you can sit in a dark, but warm, house.