A storage device configured to store electrical energy, includes at least one storage element having an element housing which has at least one accommodating chamber and at least one element base which at least partially downwardly delimits the accommodating chamber in an installation position of the storage device. The storage device includes at least one storage means, accommodated in the accommodating chamber, configured to store electrical energy, wherein the at least one storage means comprises at least one degassing unit configured to discharge fluid, which is released in the accommodating chamber, from the accommodating chamber. The degassing unit is provided on the element base and is configured to downwardly discharge fluid from the accommodating chamber with respect to the installation position of the storage device.