Abstract: The present invention refers to a connection device installed on-board with respect to an electric wheelchair, designed and configured to allow the charging of a respective traction battery using a charge station or column for electric vehicles which implements the mode 3 of charging compliant with the IEC 61851-1 standard. The connection device attached to the wheelchair comprises a main body configured to be connected to a first wire portion for the electrical connection to the charge station. The main body further comprises an electrical circuit configured to simulate the performance of an electric vehicle and defined compliant with the IEC 61851-1 standard, edition 3, Annex 1, chapter A.2.3.