There are significant differences in design, application environment, and power between laptop power adapters and desktop power adapters.

Firstly, from a design perspective, laptop power adapters typically have the characteristics of being small and lightweight, making them easy to carry and use. Desktop power supplies, on the other hand, place greater emphasis on stability and power, as they typically do not require movement, so their power design is more focused on meeting the power supply needs of computer hardware.

Secondly, from the perspective of application environment, laptop adapters are mainly used in outdoor, travel, business and other mobile occasions, so they need to meet the requirements of different regions and voltages, and have the characteristics of being lightweight and easy to carry. Desktop power supplies are mainly used for home or office desktop computers, without the need to consider portability and mobility issues.

Finally, in terms of power, the power of laptop adapters is usually between 20W and 100W, because laptops mainly use low-power CPUs and LCD displays. The power supply of desktop computers is usually between 200W and 1000W, because desktop computers need to support higher computing performance and more hardware devices.

In summary, there are significant differences in design, application environment, and power between laptop power adapters and desktop power adapters. Therefore, when choosing a power adapter, it is necessary to choose the appropriate type based on the specific usage environment and device requirements.