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Black rectangular USB-C power adapter with detachable cable and interchangeable tips

DELL ADP-U1 85W 20V 11.8A USB-C AC Adapter

SKU CH-VD5X-0Y4B0

85 W USB-C power adapter delivering 20 V at 11.8 A for compatible Asus Vivobook, Zenbook, ExpertBook and Chromebook models

  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Compatible withAsus Vivobook 15 Charger
  • Key featuresPortable Design, USB Type C, Corded Electric, UL, 0, type a
  • UL-certified safety protects your device
  • 85 W output powers demanding laptops
  • USB-C connector fits modern Asus models
  • 20 V 11.8 A delivery matches original specs
  • Portable design suits travel and desk use

Dell ADP-U1 85W USB-C Adapter

The Dell ADP-U1 is an 85 watt AC adapter with a USB Type-C connector. It delivers 20 volts at 11.8 amps for compatible laptops. The unit is new and carries UL safety certification. It includes four switchable tips to match different barrel ports.

Practical limit of the USB-C interface

The adapter is rated for a maximum of 65 watts over its USB-C output. Devices that require more than 65 watts will not charge from this unit. The 85 watt figure applies to the adapter's overall input capacity, not the USB-C port. Buyers needing higher USB-C power must choose a different supply.

Capacity and headroom for daily use

The 65 watt USB-C output comfortably handles ultraportables and thin-and-light notebooks rated at 45 watts or 65 watts. It will not charge larger models that demand 85 watts or more over USB-C. The included tips extend compatibility to legacy barrel connectors on supported Asus series.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $28.99
Typical for this category: the median of 27,790 items is $30.99.

Specifications

Product
Brand nameDELL
Model nameADP-U1
Part numberZD A10376
Power
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Compatibility
Compatible withAsus Vivobook 15 Charger

Questions about this item

Should I choose the 85W model or the 65W version for my Vivobook?

This adapter delivers 85 watts at 20 volts and 11.8 amps, so it covers Vivobook models that draw up to that level. If your unit ships with a 65W charger, the 85W unit will still work and provides extra headroom.

What does the 85W rating mean when I plug it into my laptop?

The 85W figure is the maximum power the adapter can supply; your Vivobook will only draw what it needs, up to that limit, so charging speed matches the laptop's own power management.

Does the USB-C connector support Power Delivery and what voltage does it provide?

The USB-C output is fixed at 20 volts and 11.8 amps, giving 85 watts; it does not negotiate other voltages, so it powers devices that accept a 20V USB-C source.

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