Patent ID: 8778520

Claim:
Liquid electrolyte battery with a mixing device ( 5 ), wherein the liquid electrolyte battery comprises a battery case ( 1 ), an electrode stack ( 2 ), an electrolyte with an electrolyte level ( 3 ) defining a horizontal position in an installed state of the battery, and a mixing device ( 5 ) and wherein the mixing device ( 5 ) has the following features: a channel plate ( 6 ) arranged vertically in the battery case ( 1 ) in the installed state, a drainage plate ( 7 ) arranged horizontally in the battery case in the installed state, and a hinge ( 8 ) connecting the channel plate ( 6 ) with the drainage plate ( 7 }, wherein the hinge ( 8 ) has a pivot angle, which is dimensioned so that an electrode stack ( 2 ) can be inserted into the battery case ( 1 ) when the drainage plate ( 7 ) is pivoted upward from the horizontal position with a pivot angle of at least 100 degrees from the horizontal position.