Power adapter Dell 45W 19.5V 3.34A for laptops, model 450-AFKZ

The Dell 45W 19.5V 3.34A power adapter (model 450-AFKZ) is an AC adapter designed to provide stable power and charging for compatible Dell laptops. The unit consists of the AC adapter brick and an attached DC output cable with a standard barrel connector used on many Dell notebook models. It supplies up to 45 watts of power at 19.5 volts and 3.34 amperes, and includes built-in protections against overcurrent and short circuits to maintain safe operation during charging and normal use.

Advantages

This Dell power adapter offers a compact brick design that balances portability and cooling performance, suitable for carrying between home, office, and travel. With a 19.5V / 3.34A output it supports both charging the battery and powering the laptop under typical workloads. Integrated safety features such as overcurrent and short-circuit protection reduce the risk of damage to the adapter and connected device. The adapter is compatible with a range of Dell laptop models that accept a 19.5V, 3.34A input, providing a straightforward replacement or spare option.

Suitable for

• Replacing a lost or damaged original Dell laptop adapter
• Keeping as a spare adapter for travel or commuting
• Powering and charging compatible Dell notebooks in office and home environments
• Using with devices that accept a 19.5V, 3.34A DC input and matching connector

Key specifications

• Output voltage: 19.5 V
• Output current: 3.34 A
• Maximum output power: 45 W
• Connector type: barrel-style DC output (compatible with many Dell laptops)
• Input: AC mains (standard regional plug on power cord)
• Protection features: overcurrent and short-circuit protection
• Form factor: compact rectangular adapter brick with attached cable

How to use

Connect the adapter to an AC mains outlet using the supplied or compatible power cord, then insert the DC barrel connector into the laptop's power jack until it seats securely. Ensure the laptop and adapter are placed on a flat, stable surface with adequate ventilation to prevent overheating. When removing, unplug from the AC outlet first if possible, then disconnect the DC connector from the laptop. Verify that the adapter's output specifications match the laptop's input requirements before regular use.

Usage recommendations

Use the adapter with compatible Dell laptops and devices that require 19.5V at up to 3.34A. Avoid exposing the adapter to moisture, extreme temperatures, or prolonged direct sunlight. Do not block ventilation openings on the adapter brick and avoid bending the DC cable sharply near the connector. For continuous heavy-load operation, allow periodic cooling intervals to extend adapter life. If the adapter becomes unusually hot, emits odors, or shows visible damage, discontinue use and replace it.