Fastening device for batteries, especially for vehicle batteries

The invention relates to a fixing device (2) for at least one battery (1a, b), which are primarily for the attachment of two or more batteries (1a, b) is provided in a heavy commercial vehicle, such as in a truck or a bus, and includes a battery box having a base plate (6) and at least one resting bracket (3). The invention is achieved in that a lower fastening element (4) with T-shaped ends (4a, b) in the lower area of ​​the batteries (1a, b) is placed preferably between two or more batteries (1a, b), and that the lower fixing element (4) releasably attached to the base plate (6) of the battery box is attached.