Battery removal device for a vehicle, in particular an electric industrial truck and locking device for such a battery removal device

The battery removal device (13) has a battery case with a changing battery block that is removed through the battery case opening in horizontal direction, where the battery removal device is an extendible lifting unit (15) with height-adjustable load receptacle units (17) and with a locking device (19). The locking mechanism has a ramping section with a ramping inclined surface and an associating support surface and has a locking element (47) complementary to the engaging element (55) of the changing battery block (11). An independent claim is also included for a locking device.