Dell 450-13940 90W AC-to-DC Power Adapter

Running out of power on a long flight or a road trip can leave you stranded and frustrated, especially when you need your Dell laptop to stay online. The Dell 450-13940 90W AC-to-DC Power Adapter is a compact, car- and airplane-compatible charger that lets you power and charge your notebook without switching it on, keeping you productive wherever you are.

Benefits of Dell Power Adapter

You enjoy the freedom of charging your laptop from any USB source, which means fewer cables and less clutter in your bag. The built-in LED gives you instant visual confirmation that the adapter is working safely, while over-current, short-circuit and temperature protection give peace of mind during travel. Its lightweight design reduces strain on your luggage, and the universal USB tips let you charge phones and other devices at the same time.

Key Features of a 90W Power Adapter

• Output power: 90 W. Provides enough juice for most Dell notebooks to run and charge simultaneously.
• Voltage range: 17-21VDC. Adjusts automatically to match the required laptop input.
• Current: up to 5.0A. Ensures fast and stable charging even under heavy use.
• USB 5VDC output: 0.5A max. Powers small gadgets like phones or cameras from the same unit.
• Dimensions: 46 mm × 23 mm × 97 mm. Fits easily into a laptop case or briefcase.
• Weight: 150 g. Light enough to carry without adding noticeable bulk.
• DC cable length: 60 cm. Gives you flexibility to reach the power source in a car or plane seat.
• Notebook cable length: 180 cm. Allows you to position the adapter comfortably while you work.
• LED indicator: built-in light. Shows when the adapter is delivering optimal power.
• Protection: over-current, short-circuit, over-temperature. Keeps your equipment safe in all conditions.

Usages of a 90W Power Adapter

You can rely on this adapter in many everyday situations:

• Charging your Dell laptop from a car cigarette-lighter socket while commuting.
• Powering the notebook on an airplane seat using the in-flight USB port.
• Supplying energy to a mobile phone or BlackBerry with the included micro-USB tip.
• Running a digital camera or MP3 player from the mini-USB port during travel.
• Keeping a backup power source handy in a hotel room for late-night work.

Dell Power Adapter

Many buyers worry that a travel charger might not deliver enough power for their high-performance Dell laptops, or that it could damage the device with incorrect voltage. Others fear the extra weight and bulk of a separate charger will outweigh the convenience.

The Dell 450-13940 90W AC-to-DC Power Adapter removes those doubts. Its 90 W output matches the requirements of XPS, Vostro, Studio XPS, Inspiron and Latitude models, while the automatic voltage range and robust protection circuitry guarantee safe operation. The ultra-compact size and lightweight build mean you can store it in any bag without sacrificing space, and the added USB tips let you charge multiple devices from a single adapter, simplifying your travel kit.

Specifications