Cordless drills feature many different components, and having a sound understanding of these plays an important part in purchasing the best cordless drill for you. Knowledge of these parts also aids in the efficient and effective use of the tool.
The power source is the component that provides the tool with electricity. On a cordless drill, this is in the form of a rechargeable battery.
The voltage of the battery that the drill requires to operate will determine the approximate power and weight of the drill.
The voltage of a cordless drill is determined by the batteries that the drill is designed to accomodates. As a general rule, the higher the voltage, the more power and speed the dirll will be able to produce (simultaneously.)