AC Adapter Dell 90W 19.5V 3.34A MPN 450-AELY

The Dell 90W AC adapter provides a 19.5V, 3.34A DC output designed to power and charge compatible Dell laptops. It delivers stable power for everyday computing tasks at home, in the office, or while traveling. The adapter has a compact form factor and uses a standard barrel connector to maintain reliable contact with the laptop charging port. Intended as a replacement or spare for original adapters, it supports continuous operation and battery charging under normal usage conditions.

Advantages

This AC adapter offers consistent voltage regulation to protect the laptop from power fluctuations and help ensure safe battery charging. Its 90W power rating supports a range of mainstream laptop models that require moderate power. The compact design and integrated cable routing reduce desk clutter and make it convenient to carry in a laptop bag. Built-in protection features provide defense against short circuits, overcurrent and overheating during typical use.

Suitable for

• Replacing a lost or damaged laptop power adapter
• Keeping a spare adapter at the office or in a travel bag
• Providing stable power for everyday web browsing, document editing and media playback
• Charging laptop battery while running typical productivity applications

Key specifications

• Output voltage: 19.5 V DC
• Output current: 3.34 A
• Power output: 90 W
• Connector type: standard barrel DC plug compatible with supported laptop models
• Input: AC mains power (universal input range for common regions)
• Protection: short circuit, overcurrent and overtemperature protection
• Form factor: compact external brick with attached DC cable

How to use

Unplug the adapter from mains before connecting it to the laptop. Insert the DC plug securely into the laptop's power jack until it seats firmly. Connect the adapter to a grounded AC outlet using the supplied mains cable. When charging, verify the laptop indicates charging status via its LED or operating system battery indicator. To disconnect, first unplug the adapter from the AC outlet, then remove the DC plug from the laptop. Store the adapter in a dry environment at room temperature and avoid tightly bending the cable near the connector.

Recommendations

Use this adapter with compatible Dell laptops that accept a 19.5V, 3.34A input and a standard barrel plug. Do not attempt to use the adapter with devices requiring different voltage or connector types. For extended battery life and device safety, keep vents clear and avoid operating the adapter on soft surfaces that restrict airflow. If the adapter becomes hot to the touch, disconnect and allow it to cool before further use.