Which statement best compares a battery and a galvanic cell?

A battery’s source of power is a galvanic cell in which a redox reaction produces electrical energy.
A galvanic cell’s source of power is a battery in which electrical energy produces a redox reaction.
A galvanic cell’s source of power is a battery in which a redox reaction produces electrical energy..
A battery’s source of power is a galvanic cell in which electrical energy produces a redox reaction.

The correct statement is: A battery’s source of power is a galvanic cell in which a redox reaction produces electrical energy.