Power adapter Dell 240W 19.5V for compatible laptops (MPN 450-AICZ)

The Dell 240W 19.5V power adapter is an external AC power supply designed to provide stable 19.5V output and up to 240 watts of power to compatible laptops and mobile workstations. As a replacement or spare unit, this adapter supports high-performance systems by delivering sufficient power for intensive tasks while charging the internal battery and powering the device during use. The adapter is intended for desktop or mobile work setups where reliable, continuous power is required.

Advantages

This 240W adapter provides a high and consistent power output to support demanding processors and discrete graphics, helping prevent performance throttling. The external unit is compact enough for transport with a mobile workstation and robust enough for extended desktop use. By matching the required voltage and wattage, it ensures efficient charging and stable operation without overloading the system's internal power circuitry.

Suitable for

• High-performance laptops and mobile workstations requiring 19.5V and up to 240W
• Replacement or spare power adapter for office and home workstations
• Field or mobile work where a portable, high-capacity adapter is needed

Key specifications

• Output voltage: 19.5 V
• Maximum output power: 240 W
• Form factor: external AC adapter
• Intended use: charging battery and powering laptop during operation
• Casing: durable plastic housing suitable for regular transport and desk use

How to use

Connect the adapter to a compatible laptop by inserting the connector into the device's power port, then plug the AC cord into a grounded mains outlet. Ensure the connector is fully seated and check the laptop's charging indicator to confirm power delivery. When not in use, disconnect the adapter from the mains and the laptop. Use the adapter in environments within the manufacturer's recommended ambient temperature range to maintain performance and longevity.

Recommendations

To ensure safe and reliable operation, use the adapter with laptops that accept 19.5V and similar wattage ratings. Avoid using damaged cables or connectors, keep the adapter ventilated during heavy load, and store it in a dry place. If the laptop exhibits charging or power issues, verify compatibility and connections before replacing the adapter.