Compatible portable solar power supply, also called solar mobile power, it includes: solar panel, charge controller, discharge controller, electric charge controller, inverter, outside enlarge capacity interface and battery, etc. Photovoltaic portable power supply can work in solar energy and ordinary power two modes, and can automatically switch. Photovoltaic portable power supply is used widely is the emergency relief, tourism, army, geological prospecting, archaeology, schools, hospitals, Banks, gas stations, comprehensive building, highway, substation, family camping or outdoor activities such as emergency power ideal power supply equipment.