Provided is an ultrasonic apparatus. The ultrasonic apparatus may include a charging device, a circuit device electrically connected to the charging device, and a housing part for packaging the charging device and the circuit device. Here, the charging device may include a lower electrode, an upper electrode provided on the lower electrode, a plurality of pillar-shaped piezoelectric composites provided between the lower and upper electrodes, and an electrolyte layer provided between the lower and upper electrodes to fill spaces between the pillar-shaped piezoelectric composites.