Multi-level container storage system and high-bay container storage

A multi-level container storage system comprising:

• a storage module comprising racks in a vertical direction and a first horizontal direction for storing containers, wherein each one of the racks comprises a support for supporting at least one container and at least two first tracks arranged in a first distance from each other in the vertical direction and extending in a second horizontal direction, the second horizontal direction being perpendicular relative to the first horizontal direction, and at least one of the racks is adapted for receiving a plurality of containers stackable on top of each other;
• and
• a container handling apparatus capable of moving at least one container in the vertical, the first horizontal, and the second horizontal directions, wherein the container handling apparatus comprises:
• a stacker crane comprises a carrier support for a carrier device of the container handling apparatus and is arranged to be moved in the first horizontal direction and capable of moving the carrier support in the vertical direction, and
• the carrier device comprising a handling mechanism for gripping, lifting, lowering, and releasing at least one container, wherein the carrier device is arrange to be moved out of and into the stacker crane, and into and out of the storage module, respectively, along one of the tracks of a rack for storing and retrieving at least one container to or from the storage module, wherein the handling mechanism is arranged to move at least one container at most the first distance in the vertical direction when lowering or lifting the container.