AC adapter Dell 180W 03XYY8 with 7.4mm connector

The Dell 180W AC adapter with a 7.4mm connector is a replacement power supply designed to provide up to 180 watts of DC power to compatible Dell laptops and devices that require a 7.4mm barrel plug. This adapter supplies the required voltage and current for systems that specify a 180W external adapter and includes a permanently attached 7.4mm connector to fit matching DC input sockets. It is intended for charging the internal battery and powering the device during use at home, in the office or while traveling.

Advantages

This 180W adapter delivers the rated power output to support higher-performance systems and maintain stable operation under load. The fixed 7.4mm barrel connector ensures a secure physical and electrical connection with compatible input sockets. Compact housing and standard AC mains cable compatibility make it simple to replace an original adapter and restore proper charging and operation without alterations to the host device.

Suitable for

• Replacing a lost or faulty 180W Dell external adapter with a 7.4mm DC plug
• Powering Dell laptops and workstations that require a 180W supply
• Using at home, in office environments or while travelling where a 7.4mm barrel connector is required
• Temporary use as a service or workshop replacement for diagnostics and repair

Key specifications

• Output power: 180 W maximum
• DC connector type: fixed 7.4 mm barrel plug
• Input: standard AC mains voltage range for region (use appropriate mains cable)
• Form factor: external brick-style AC adapter with attached DC lead
• Primary function: charging and powering compatible laptops and devices

How to use

Connect the adapter to the mains using a compatible AC power cord rated for your region. Insert the fixed 7.4mm connector firmly into the device’s DC input jack until it seats securely. When connected, the adapter will provide power to the device and charge the internal battery as required by the system. Disconnect the adapter by gently pulling the connector straight out; avoid twisting or excessive force. Unplug the mains cord when the adapter is not in use for extended periods.

Recommendations

Check that your device requires a 7.4mm barrel connector and a 180W supply before use. Use only the appropriate mains cable and avoid exposing the adapter to liquids, extreme heat or prolonged direct sunlight. Inspect the connector and cable regularly for damage and replace the adapter if signs of wear or overheating appear.