Your customers will always need a power supply, so that they can use it at home. In short case, you will need a generator and solar power supply to work your AC.
Many portable power supplies come with different functions, such as AC, converting direct supply. To choose the best portable power supplies for your customers' needs, go with Alibaba.com to find and buy cheap portable power supplies with all the features specifications for your business's needs.
Due to the durability of a power source, solar panels offer, and solar panels can be used to supply energy from other homes. However, a more expensive portable power source may be compared to other power sources, it is important to consider your supplier to keep your business well-supplied.
Typically, it is possible to find a portable solar panels with AC to 12V 24V power supply and at a wholesale price.