There is provided a non-stop battery changing system that includes: a body connected to a moving body that is moved by power, having a seat on a side, and having locking grooves and a power terminal in the seat; a battery pack inserted in the seat of the body to supply power to the moving body, having locking protrusions sliding inward/outward, and having a battery terminal that comes in contact with the power terminal; and a pushing protrusion extending outward from a side of the battery pack in a mounting direction of the battery pack inserted in the seat by movement of the moving body, and unlocking the locking protrusions out of the locking grooves, when the battery pack used in the seat is replaced with another charged battery pack.
