150W household solar power generation system 1950 yuan/set. With TV, fan, computer, lighting, mobile phone charging.
300W household solar power generation system is 3780 yuan/set, with TV, fan, computer and mini refrigerator.
450W household solar power generation system is 5650 yuan/set, including refrigerator, washing machine, TV, computer and fan.
Larger solar power generation systems have higher investment costs, and basically all use electricity. The above ones are enough. This is the price of off-grid solar power generation system.
A Taobao shop: Xinchuang Solar Energy