An optical - power-input buck combined storage circuit

An optical - power-input accumulator joint BUCK circuit comprising BUCK pulse voltage source, an output filter circuit, a bleeder circuit and charging circuit, to achieve efficient use of new energy priority, i.e., using a master-slave power supply when the power of a DC input energy source-based PV photovoltaic cell, a second DC input source to the sub-energy secondary battery BAT, the present invention employs such a structure to achieve efficient topology combined powering a variety of energy to ensure the quality of power supply.