Open the rear compartment. Slide the Li-Ion battery pack in until it clicks. Connect the red (positive) and black (negative) terminals securely. Never pull the wires to disconnect them.

: To give yourself time to walk to the other side of the court, hold the

A: Approximately 4-6 hours of continuous use depending on speed/spin settings. High spin (10) drains the battery 20% faster than flat shots.

Never change the spin direction (topspin vs. backspin) while the wheels are spinning. Stop the feed first, wait 3 seconds, then change the spin. Failure to do this can cause the ball to eject erratically toward your face.

A: The ball hopper is empty, or the ball sensor (located inside the throat) is dirty. Clean the sensor with a cotton swab.

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