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

The Dell 240W 19.5V 3-pin power adapter supplies mains power and battery charging for compatible Dell laptops that require a higher-wattage external supply. Designed for portable workstations and power-hungry notebooks, this adapter delivers a stable 19.5V output and continuous power delivery to support intensive computing tasks and reduce interruptions during extended use.

Advantages

This 240W Dell power adapter provides consistent voltage regulation and thermal protection to maintain stable operation under load. The 3-pin AC input and compatible laptop connector offer secure electrical connection while the compact rectangular brick design balances portability and cooling. It is suitable as a replacement or spare unit to restore full system performance without modifying the laptop.

Suitable for

• High-performance Dell laptops and mobile workstations that require up to 240W power
• Users running demanding applications such as 3D rendering, video editing or large-scale data processing
• Office and home users needing reliable mains power and battery charging during long sessions
• IT departments and technicians keeping spare adapters for repair, deployment or travel

Key specifications

• Output voltage: 19.5 V DC
• Rated power: 240 W
• AC input connector: 3-pin IEC-style mains plug
• Output connector: Dell-compatible laptop power plug (3-pin laptop interface)
• Over-current, over-voltage and short-circuit protection
• Operating temperature range suitable for typical indoor use

How to use

Connect the adapter to mains power using the supplied 3-pin AC lead, then insert the laptop output plug into the laptop power inlet until it seats securely. Once connected, the adapter provides power and charges the battery while the laptop is switched on or off. Disconnect the AC lead before storing the adapter and avoid placing the adapter on soft surfaces while in use to ensure adequate ventilation.

Recommendations

Use the adapter with laptops that explicitly accept a 19.5V, up-to-240W external supply and the matching Dell connector. Inspect cables and connectors for damage before each use, avoid exposing the unit to moisture, and allow adequate airflow around the adapter to prevent overheating. For best results, use as a direct replacement for the original adapter specified for your laptop model.