AC Adapter Dell 240W 19.5V (Model 3KWGY) for Dell laptops

The AC Adapter Dell 240W 19.5V (Model 3KWGY) is a mains power supply designed for compatible Dell laptops that require higher power delivery. It provides up to 240 watts at 19.5 volts to support charging and operation of performance-oriented notebooks. The adapter serves as a replacement or spare unit for workstation and gaming-class laptops, offering consistent voltage output and thermal management for steady operation during intensive tasks.

Advantages

This 240W AC adapter delivers stable 19.5V output with sufficient wattage for high-performance laptops. It is built to maintain consistent current under load, reducing the risk of sudden power drops during CPU- or GPU-intensive workloads. The adapter incorporates protection against overcurrent and overheating to increase safety during prolonged use, and its design is compatible with standard Dell power connectors for straightforward installation.

Suitable for (tasks / use cases)

• Powering and charging high-performance Dell laptops during gaming or content creation
• Office and business environments requiring reliable mains power for heavy workloads
• Travel and field work where a spare or replacement adapter is needed
• Home use when extended runtime and stable charging are necessary

Key specifications

• Output power: 240 W
• Output voltage: 19.5 V
• Connector type: compatible with Dell laptop power input (standard barrel or Dell-specific connector)
• Input: universal AC mains input (check local voltage compatibility)
• Protection features: overcurrent protection, overvoltage protection, thermal protection
• Form factor: external AC adapter brick with detachable/attached DC lead

How to use

Connect the AC adapter to a suitable mains outlet using the supplied AC cable, then plug the DC output connector into the laptop power inlet. Ensure the laptop is powered off or in a low-activity state when first connecting if recommended by the laptop manufacturer. During use, place the adapter on a flat, ventilated surface to allow heat dissipation and avoid covering the adapter with fabrics or other insulating materials.

Usage recommendations

Use the adapter with compatible Dell laptop models only and verify voltage compatibility before use. For prolonged heavy-load sessions, monitor adapter temperature and ensure adequate airflow. Replace the adapter if the casing is damaged or if it emits unusual noises, odors, or heat. Use original or manufacturer-recommended cables to maintain safe operation.