Power adapter Dell 45W 19.5V 3.34A for laptops — Dell 450-17371

Dell 45W AC adapter (19.5V, 3.34A) is a compact external power supply designed to provide stable charging and continuous operation for compatible Dell laptops. The adapter converts mains AC to a regulated DC output with a standard barrel connector, making it suitable as a direct replacement for lost or damaged chargers or as a spare for travel and office use. Its small footprint and integrated cable allow for convenient transport and straightforward connection to notebooks that accept a 19.5V, 3.34A input.

Advantages

The adapter delivers a consistent 19.5V output at up to 3.34A, ensuring reliable power delivery for supported systems and maintaining stable battery charging. Its compact design reduces bulk in a laptop bag while the enclosed external housing helps dissipate heat during normal operation. The unit is intended to meet the electrical requirements of compatible Dell computers without requiring additional converters or adapters.

Suitable for

• Replacing an original Dell charger with the same voltage and amperage requirements
• Keeping as a spare adapter for travel or remote work
• Powering and charging compatible Dell laptops in office or home environments

Key specifications

• Output voltage: 19.5 V DC
• Maximum output current: 3.34 A
• Maximum output power: 45 W
• Connector type: standard barrel DC plug compatible with supported Dell laptops
• Input: mains AC (typical wall outlet compatibility depending on country)
• Form factor: compact external AC adapter with attached DC cable

How to use

Ensure the laptop accepts a 19.5V, 3.34A input before use. Connect the adapter to a compatible mains outlet using the integrated AC input lead or appropriate country-specific power cord, then plug the DC barrel connector firmly into the laptop power jack. When connected, the laptop should indicate charging according to its status indicators. Unplug the adapter from the mains before disconnecting the DC plug from the laptop when necessary. Avoid exposing the adapter to liquids or extreme temperatures during use.

Recommendations

For reliable performance, use the adapter on a stable mains supply and allow for adequate ventilation around the adapter housing. Verify connector compatibility and polarity with the target laptop model prior to purchase. If the laptop exhibits charging issues, check the power socket, DC plug seating, and cable condition; replace the adapter if visible damage or overheating occurs.