The present invention relates to a power driven vehicle used by at least partially disabled persons for mobility, having a two-part frame assembly in which the mechanism used for assembling and disassembling said assembly is easy to handle, may be actuated using one hand, limits the steps involving during the assembly and disassembly action, and which the user can easily know if the two-part frame is correctly and safely disassembled. The present invention therefore enables the user to facilitate ease and storage of said vehicle and further addresses the problems of the prior art such as difficulty in handling during assembly and disassembly of prior art frames, the use of both hands required, and insecure assembly and locking of frames. The vehicle comprising: a frame (202, 302) having a front frame (221, 321) and a rear frame (222, 322) that are detachably and pivotally connected together, said front frame (221, 321) comprising means (207b) for receiving at least one steerable wheel and a steering mechanism and means (207a, 307a) for receiving a seat, and said rear frame (222, 322) comprising means (226a, 226b) for receiving at least two drive wheels； at least one steerable wheel, a steering mechanism and a seat connected to said front frame (221, 321)； at least two drive wheels pivotally connected to said rear frame (222, 322) via a single axle； an electric motor mounted on said rear frame (222, 322) and adapted to drive at least one of said drive wheels； a shroud (204, 304) covering at least partially said front frame (221, 321) and fixedly connected thereto； at least one battery box (205, 305) detachably mounted on said shroud (204, 304) and in electrical communication with said electric motor； locking/unlocking means (230, 330) adapted to prevent, or respectively permit, the disconnection of said rear frame (222, 322) from said front frame (221, 321).
