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Black rectangular USB-C power adapter with detachable AC cable

Adafruit

Adafruit OTDK33 90W USB-C AC Adapter 2 in 1 Accessory

SKU CH-RFBR-0FR7H MPN OTDK33

A 90W USB-C power adapter with multiple voltage outputs compatible with Dell XPS, Latitude and Precision models

  • 90W USB-C power charges Dell 2-in-1s fast
  • Wide 100-240V input works worldwide
  • Six voltage steps match device needs
  • CE FCC ROHS certified for safety
  • Includes AC cable for immediate use

90W USB-C Power Adapter

This 90W USB-C AC adapter supplies up to 20V at 4.5A through a USB-C tip. It accepts 100-240V input at 50/60Hz and includes multiple voltage steps from 5V to 20V. The unit is new and packaged with an AC power cable.

Compatible Dell XPS and Latitude Models

The adapter matches Dell part numbers including OTDK33, LA90PM170, and DA90PM170. It fits XPS 12 9250, XPS 13 9360 through 9380, XPS 15 9560, and Latitude 2-in-1 models such as 5289, 5290-2in1, 7390-2in1, and 7400 2in1. Buyers with devices that require a barrel connector or a different USB-C power profile should look elsewhere.

20V 4.5A Maximum Output

The single specification that decides fit is the 20V 4.5A peak output delivered over USB-C. If the target laptop demands this exact profile and uses a USB-C charging port, the adapter will work. If the device needs higher wattage or a different connector, this unit is not suitable.

Highlights

  • 90W USB-C power charges Dell 2-in-1s fast
  • Wide 100-240V input works worldwide
  • Six voltage steps match device needs
  • CE FCC ROHS certified for safety
  • Includes AC cable for immediate use

Specifications

No published specifications for this item yet.

Questions about this item

Will the 90W USB-C adapter charge my Dell Latitude 7390 2-in-1 and an older Latitude 5480 at the same time?

This adapter has a single USB-C tip and supplies one device at a time; it cannot charge two laptops simultaneously.

How can I confirm the 20V 4.5A output is active after connecting to my XPS 13 9370?

The laptop's charging indicator will light and the battery icon in Windows will show it is receiving power from a 90W source.

Does the package include the AC power cable for UK mains sockets?

The box contains one AC adapter and one AC power cable; the cable terminates in a standard IEC C5 connector for the adapter side.

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