Dell Portátil Alimentación AC y DC Adaptadores/Cargadores

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Laptop Power Adapters to Keep Your Device Going

In our tech-powered world, batteries make the world go round. A laptop and its batteries require a particular amount of electricity to be precisely delivered to the essential components in order to power the computer. This power is delivered by the AC adapter and is required because the internal components of the laptop are not designed to derive the required voltage and power from the mains or DC source. 

What Is a Laptop Power Adapter?

  • Power Supply: Because laptops are built for mobility and slimness, power conversion components arent built into them to achieve this goal. Manufacturers do this by relying on an external component that converts the electricity into the essential AC power required to make the delicate interior components work. A laptop power supply would use largely the same internal designs as bulkier desktop power supplies. 
  • Charger: Along with converting the electricity from the wall socket into essential AC, power adapters also work to charge the internal battery of your computer. Depending on the size of your system and its battery, the power supply will increase in size accordingly due to the added components required. But if your battery has gone bad and you have removed it, the power adapter can still give your computer the necessary juice, but be wary of electrical grid failures and such because the lack of a battery means your computer will shut down at the slightest bit of power loss in the grid.
  • Ferrite Bead: An essential component of the AC adapter is the ferrite bead. Its that small cylinder you see near the power connector that plugs into your laptop. Its role is to negate or "choke" any high-frequency noise coming from the power running through the charger cable to negate any electromagnetic interference both going to and coming from your device.

What Must I Consider Before Buying a Dell Adapter?

Before buying a charger, see the manufacturer site for details and ratings to ensure compatibility. Look up "Dell [model] charger" for accurate results.

  • Power Connector:  Power connectors or chargers are the components of an AC adapter that slot into the power port in your computer. While an adapter may have the same rating required for your computer, choose one that has the proper connector in order for it to be useful. The XPS laptop series may use different measurements than the Inspiron lineup, and the XPS power adapter is incompatible with the power port of an Alienware computer.
  • Ratings: Take note of the ratings written on your charger. You must match ratings like the voltage and amperage of the adapter, along with the type of power connector in order to ensure compatibility with your computer. 

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