The utility model provides a solar energy saddlebag, including saddlebag dustcoat, saddlebag inner bag and power module, wherein, the saddlebag dustcoat includes first dustcoat and second dustcoat, first dustcoat slightly is greater than the second dustcoat, the bottom of second dustcoat with the well sub -unit connection of first dustcoat, the both sides of second dustcoat and upside edge with the zip fastener that passes through of first dustcoat is connected, the saddlebag inner bag includes instrument inner bag and power inner bag, courage and resourcefulness is lighter than in the instrument the second dustcoat is fixed in on the first dustcoat, the power inner bag is fixed in the bottom of first dustcoat, power module includes solar panel, battery and socket, solar panel is fixed in first dustcoat and/or the surface of second dustcoat, the battery is fixed in in the power inner bag, the socket is fixed in in the instrument inner bag, solar panel the socket respectively with the battery is connected.