The present invention relates to a motorized wheelchair (1) comprising easily removable batteries (45). The batteries comprise a lock mechanism (32), which can be easily unlocked by hand movement. Following unlocking, the battery can be removed by way of the same movement, which is continued. The present invention allows a convenient removal of the battery boxes (16,17) and thereby allows also a wheelchair user to effectuate maintenance operations such as the dismantling of the wheelchair for storage and transport, for example.
