How to Choose the Best Laptop Power Adapter for Your Computer

Laptops are portable devices with their own power supply in the form of a rechargeable battery. Asus laptop ac adapter These batteries only last for so long before they need to be recharged. Laptops use power adapters that plug into wall outlets for this purpose. Hundreds of different brands of laptops exist on the market and each one uses its own type and model of adapter. Most manufacturers will provide accessories and parts for their laptops on their retail websites. Other places to find laptop adapters include electronics retail stores, and discount computer hardware wholesalers. It’s also possible to find adapters and cables on auction sites like, eBay. When it’s time to replace an old adapter with a new one, research is required to find the right kind of adapter. When looking for laptop adapters, owners need to check the model number and the voltage and amperage requirements of their laptop.

This information is used to look for a compatible laptop adapter online.Asus ADP-40PH AB The voltage of an adapter needs to match the required voltage of the laptop. However, the amperage of an adapter can meet or exceed the required amperage. Laptop owners also need to get an adapter with the right connector type. The cylindrical connector tips are the most commonly used type for a laptop device. Another option is to look for a universal power adapter, which can adapt its power settings to the laptop and comes with multiple connector tips.

Laptops Use DC Power
All laptops use Direct Current (DC) power to operate. DC is electrical energy that flows consistently in one direction. Ideally, the power flows into the laptop. Most wall outlets use Alternating Current (AC), which varies constantly, but results in a positive flow of current. Laptops can’t work on this kind of power, so an adapter is required to convert the wall outlet’s current to DC power.Asus ADP-40PH AB Laptop
The adapter is the small, heavy black box connected to the cables between the laptop and wall outlet when charging the laptop battery. These devices are what make it possible for the laptop to use the AC power from a standard wall outlet. There are also DC adapters for those power outlets that do provide DC power.