This article is about the mammal. For other uses, see Porcupine (disambiguation) . Porcupines are rodents with a coat of sharp spines, or quills, that protect against predators. The term covers two families of animals, the Old World porcupines and New World porcupines.
Quick Answer. A laptop computer typically uses 20 to 75 watts, depending on its size, make and model. The actual wattage should be listed on the laptop or instrument panel.
The number of watts your computer draws depends on two main components: the parts in your computer and how you use your computer. Higher-end parts generally use more power. For example, discrete video cards require far more electricity than integrated graphics processors.