Disclosed is an electrical vehicle including a vehicle chassis, front and rear sets of wheels, a battery unit arrangement and an electric motor arrangement that is operable to receive electrical power from the battery unit arrangement to propel the electrical vehicle, and a vehicle cabin including a seat arrangement for accommodating one or more users of the electrical vehicle. The battery unit arrangement is accommodated in at least a floor region of the electrical vehicle beneath the vehicle cabin, and the electrical vehicle includes an engagement mechanism for retaining the battery unit arrangement onto the vehicle chassis, wherein the engagement mechanism is releasable for repairing or replacing the battery unit arrangement, and the engagement mechanism includes an emergency release element for automatically releasing the battery unit arrangement in an event of the electrical vehicle experiencing a collision.
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