DELL WTTK1 power adapter/inverter Indoor Black

The Dell WTTK1 power adapter provides a reliable indoor power solution for compatible Dell notebooks. Designed as a convenient spare or replacement, it allows you to keep one adapter at home and another at the office or in a travel bag, eliminating the need to carry a single charger back and forth.

Advantages

This 90 W indoor AC adapter offers stable power delivery suitable for everyday laptop use. It comes in black and includes a 2 m cable, giving flexible placement options and comfortable reach to power outlets. Supplied as a single unit, the adapter is compact and intended for simple plug-and-play operation with supported Dell notebooks.

Suitable for

• Charging compatible Dell laptops that accept a 4.5 mm barrel connector and up to 90 W input
• Keeping a second adapter at the office, home, or in a travel bag
• Replacing a lost or damaged indoor AC adapter of similar specifications

When it may not be suitable

This adapter is intended for indoor use only and may not be suitable where an all-weather or vehicle power solution is required. It is designed for laptops that accept a 4.5 mm connector and a maximum input power of 90 W; it will not meet the needs of higher-power laptops that require greater wattage or a different connector type.

Key specifications

• Power rating: 90 W maximum input power
• Intended use: Indoor laptop power supply
• Cable length: 2 m
• Colour: Black
• Quantity per pack: 1 piece

How to use

Connect the adapter to a compatible Dell notebook using the 4.5 mm barrel connector, then plug the adapter into a standard indoor mains socket. Ensure the power outlet matches the adapter’s input requirements and that connections are secure before powering on the laptop. Disconnect the adapter by unplugging from the mains first, then from the laptop when finished.

What to consider before purchase

• Verify that your laptop uses a 4.5 mm barrel connector and supports a 90 W input
• Confirm indoor-only use is acceptable for your intended locations
• Check cable length (2 m) is sufficient for your workspace setup

Usage recommendations

Use this Dell 90W AC adapter indoors on a stable, dry surface; avoid exposing the adapter to moisture or extreme temperatures and ensure adequate ventilation during operation.