AC Adapter Dell 240W 19.5V 3‑pin (MPN 450-ABIY)

Dell 240W AC adapter with 19.5V output and 3‑pin connector supplies stable power for compatible Dell laptops and mobile workstations that require a high-power external adapter. The adapter is intended as a replacement or spare to restore charging and continuous operation when the original unit is lost or faulty. Built-in protection mechanisms help guard against overcurrent and short-circuit conditions while delivering the rated power for demanding applications.

Advantages

This AC adapter delivers a consistent 19.5V output and up to 240W of power to support high-performance notebooks and mobile workstations. The 3‑pin connector design ensures a secure connection and reliable power transfer. Integrated safety features reduce risk from electrical faults, and the compact external form factor simplifies transport and use in mobile environments. The adapter is compatible with systems that accept a 19.5V, high-power supply and is suitable as a direct replacement for original equipment.

Suitable for

• Powering and charging Dell laptops and mobile workstations that accept a 19.5V, high-power adapter
• Replacing lost, damaged or faulty original AC adapters
• Providing stable power during resource-intensive tasks such as video editing, 3D rendering, and software compilation
• Use as a secondary or travel adapter for on-the-go professionals

Key specifications

• Output voltage: 19.5 V
• Maximum output power: 240 W
• Connector type: 3‑pin external DC connector
• Safety features: overcurrent protection, short-circuit protection
• Application: external power supply for compatible high-power laptops and mobile workstations

How to use

Connect the adapter to a compatible AC mains socket using the supplied power cord, then insert the 3‑pin connector firmly into the laptop’s power inlet. Confirm that the laptop indicates charging or external power presence before disconnecting the battery-only operation. Avoid placing the adapter on soft surfaces during operation to maintain ventilation and prevent overheating. If the system does not power on, check connections and the mains supply; consult the laptop’s power diagnostics if necessary.

Recommendations

Use the adapter only with devices specified to accept a 19.5V, high-power external adapter. Ensure proper ventilation and avoid prolonged exposure to moisture or extreme temperatures. Replace the power cord if damaged and do not attempt to open the adapter housing. For optimal performance, connect directly to the laptop rather than through unregulated extension cords or non-approved power strips.