AC Adapter Dell 65W, 4.5 mm plug, model 450-ALNZ

Dell AC Adapter 65W with a 4.5 mm output plug is an external power supply designed to provide stable 65-watt power for compatible Dell laptops. The adapter supports battery charging and system operation simultaneously, making it suitable as a primary or replacement power source. Its compact rectangular housing and single-voltage output make it convenient for everyday use at home, in the office, or while traveling.

Advantages

The adapter delivers a consistent 65 W output suitable for a range of mainstream Dell notebooks that accept a 4.5 mm barrel plug. Built with standard safety features, it offers overcurrent and overvoltage protection to help safeguard the connected laptop. Its compact size and integrated cable reduce bulk in bags and simplify transport, while the straightforward plug-and-play design requires no additional configuration.

Suitable for

• Charging and powering compatible Dell laptops that use a 4.5 mm barrel plug
• Replacing a lost or damaged original power adapter
• Secondary adapter for travel, office, or home use

Key specifications

• Output power: 65 watts
• Connector type: 4.5 mm barrel plug
• Function: AC to DC external power adapter for laptops
• Form factor: compact external brick with attached cable
• Safety features: built-in protection against overcurrent and overvoltage

How to use

Connect the adapter to a mains outlet using the detachable AC power cord if supplied, then insert the 4.5 mm plug firmly into the laptop power inlet until it seats. When connected, the adapter supplies up to 65 W to power the system and charge the battery. Disconnect the plug from the laptop before moving the computer to avoid stress on the power port. Allow the adapter to cool between extended use periods and avoid covering it to maintain ventilation.

Recommendations

Use the adapter only with compatible Dell laptop models that accept a 4.5 mm plug and a 65 W power rating. Ensure the mains voltage matches local standards and inspect cables and connectors regularly for wear. Replace the adapter if the cable insulation is damaged or if the unit shows signs of overheating or malfunction.