Locking mechanism of laptop battery

The utility model provides a locking mechanism of a laptop battery, which comprises a battery cell disposed at a lower casing of a laptop, a laptop battery mounted inside the battery cell, a side wall with two arc fixing grooves, a locking slider, and a locking component. Each arc fixing groove is provided with a first arc and a second arc, the second arc and one side wall of the arc fixing groove form a triangular cavity, one side face of the locking slider is provided with two cylindrical push rods while the other opposite side face is provided with a locking groove, the locking slider is disposed on the lower casing of the laptop and can slide in parallel to the side wall, the two cylindrical push rods can respectively move inside the two corresponding arc fixing grooves, and the locking component disposed on the lower casing of the laptop can slide in a direction perpendicular to sliding direction of the locking slider, and can be inserted into the locking groove to be engaged with the same so as to lock the locking slider in motion.