Can a power wall without solar panels work? The answer is yes. The wall mounted lithium battery is a family solar photovoltaic system. The home energy storage system mainly includes photovoltaic grid connected power generation, photovoltaic off grid power generation and photovoltaic hybrid power generation. Among them, photovoltaic grid connected power generation is usually achieved by connecting solar panels to the grid through grid connected inverters. Features: Optoelectronic and commercial power complement each other. When the load power is less than the generating power, the residual power is connected to the grid; When the load power is greater than the generated power, it shall be supplemented by mains power
Advantages: the system has simple structure, low cost, less maintenance and good stability
Disadvantages: the system cannot work after the mains power failure
Photovoltaic off grid power generation usually consists of solar panels, charging controllers, batteries and inverters.
Features: It can be used independently or switched with the mains.
Advantages: good power supply stability
20 kwh Wall mounted lithium battery solar systems generally use photovoltaic off grid power generation systems, so without solar panels, lithium batteries can also supply power to household appliances through the supply of mains electricity.