Solar power supply system consists of solar cell module, solar controller, battery (group). Inverters can also be configured according to actual needs. Solar energy is a clean and renewable new energy, which has a wide range of functions in people's life and work. One of them is to convert solar energy into electricity. Solar power generation is divided into photovoltaic power generation and photovoltaic power generation. Solar power generation refers to solar photovoltaic power generation, which has no moving parts, no noise, no pollution and high reliability. It has excellent application prospects in communication power supply system in remote areas.