Solar chargers are already plenty, but they all have a problem of low charging efficiency. Charging for an hour can only be used for 5 minutes, and what's worse, you have to put the charger under the sun. However, it makes much more sense to place the solar charger inside the blinds. Because blinds are originally used to block sunlight, they need to be exposed to sunlight every day. You just need to pull down the blinds and plug in the solar charging base, and the sunlight that shines on the blinds during the day will be absorbed and stored by it, and then the stored solar energy can be used. Nowadays, with increasing emphasis on energy saving and environmental protection, perhaps in the future not only windows can absorb solar energy, but also the walls and roofs of buildings can absorb solar energy. In that case, every household can be self-sufficient in electricity.