Sometimes I need some kind of source of electricity that will be off-grid so that I can use it when I need electricity, but there are no sockets nearby.
I think you can buy some kind of generator or inverter, but I advise you to visit the renogy website as I know they are a trusted and reliable company with good reviews to see power inverter . Based on what you require, this exactly the equipment that you really need. In addition, this company has very affordable and reasonable prices.