is very important part for a laptop. many unique type adapters are available in market. All new laptops come with AC adapters. Adapters are used for charging laptop batteries and also used to supply power directly. There are occasions which we require to buy an AC adapter. every laptop computer requires a unique voltage, current and connector. AC adapter is an integral part of any laptop. While laptops are able to run on battery power, without the AC adapter, we can not recharge the battery. Laptop AC adapters provide power to the laptop and the battery by converting the electricity coming from an outlet, which is AC into DC power and outputting it at the correct voltage. power adapter basically has two main parts.first part is the transformer that does the conversion from AC to DC current and connects to the laptop through a cable and other second part of the laptop power adapter is the power cord. More information visit as :