Combine peanut butter powder, powdered sugar, and water in a small bowl.
Stir until fully combined.
Scoop 1-2 teaspoons of the mixture with a spoon; using your hands quickly shape into small balls.
Place on a waxed or parchment paper-lined plate.
Freeze for at least 45 minutes.
Place chocolate chips in small bowl.
Microwave in 20 second increments, stirring between each, until fully melted.
Place one peanut butter ball in melted chocolate.
Roll quickly to coat all sides; remove each ball using a fork to help remove excess chocolate.
Return to prepared plate.
The plate can be placed in the refrigerator to harden the chocolate more quickly.
Store peanut butter balls in refrigerator.