Can you run household appliances from a battery?

Yes most can run from battery power, is the question you want to ask

"Can you charge batteries cheaper than domestic electric charges"?


If so then that may well also be a yes.
 
Look up portable power station on amazon , these are mostly for camping and off grid uses and its the 'new thing' on the block but they have been in the US in the recreation sector a bit longer. You can't run high power household devices. So anything over 1000w I would say generally is high power. A good modern fridge is possible, but anything for heating and cooking will trip it probably. You need to find the wattage of each device you want to run at the same time. Say TV 60w , say xbox 40w , say speakers 30w. I'm just guessing these. Thats 130w draw on the system at any point, so you need a battery that can deliver a power draw slightly larger that that, Lets say 200w . Then you have to look at how long will you get. If you buy a battery with 390wHr of storage then divide that by 130w which means 3 Hr. Now knock off 15% as batteries never give 100% of what they say.
Theses batteries usually charge with some solar panel , but all of them give you 2 extra charge methods, 1 will be 12v car socket, and the other will be just plug in mains . But it may be quite a few hours to charge to full.
 
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Our horsebox living area is ran via an inverter from 2 12v leisure batteries / or hook up if plugged in.
 
One of my friends has solar panels which he uses to charge up batteries when he's producing too much electricity then uses the batteries to power his house when he's not generating enough via the panels. I know the battery system wasn't cheap and it includes some sort of inverter but he does claim he is pretty much self sufficient including charging his Tesla.
 
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