Fonte de alimentação Dell 240W 19,5V 3 pinos para portáteis compatíveis

Dell 240W 19.5V power adapter with a 3-pin connector delivers regulated DC power for compatible Dell and third‑party laptops. Designed as a replacement or spare adapter, it supplies sufficient power to charge batteries and run high‑performance systems that require up to 240 watts. The adapter includes built‑in protective features that work with supported devices to reduce the risk of overcurrent and short circuits during operation.

Advantages

This power adapter provides a stable 19.5V output and a high 240W power rating suitable for power‑hungry laptops and mobile workstations. The 3‑pin connector ensures a reliable physical connection and reduced risk of accidental disconnects. Integrated protection mechanisms help maintain device safety by reacting to electrical faults when supported by the connected laptop. The adapter is compact enough for transport and is intended for use as a direct replacement for compatible systems.

Suitable for (tasks / use cases)

• Charging and powering compatible Dell laptops and mobile workstations
• Use as a replacement or spare adapter in office, home, or travel
• Powering high‑performance applications such as video editing, CAD, and gaming on compatible systems
• Maintaining uninterrupted operation of a laptop during long work sessions or heavy load

Key specifications

• Output voltage: 19.5 V DC
• Maximum power: 240 W
• Connector: 3‑pin AC input; DC output with compatible laptop plug
• Safety features: overcurrent and short‑circuit protection where supported by the device
• Intended use: external AC to DC power supply for portable computers

How to use

Connect the adapter's AC plug to a suitable mains outlet and attach the DC output connector to the laptop's power input port. Ensure the connector is fully seated and the laptop indicates charging or external power. If the laptop does not recognize the adapter, disconnect and inspect the connector and port for debris or damage and retry. Use the adapter on a flat, well‑ventilated surface to avoid obstructing cooling vents. Unplug the adapter from mains when not in use for extended periods.

Recommendations

Use the adapter only with laptops that support a 19.5V input and the appropriate power rating. Avoid using damaged cables or connectors and replace the adapter if you observe overheating, unusual noise, or inconsistent charging behavior. For optimal performance, use a grounded mains outlet and avoid power strips or extension cords that may be overloaded.