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Black rectangular USB-C power brick with detachable two-pin mains lead

DELL SM90CS-01 90W USB-C AC Adapter

SKU CH-Z2AK-5JR9V

A 90 W USB-C power adapter delivering up to 20 V at 4.5 A with a 6 ft cable and included AC cord

  • CompatibilityLaptops
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • AC Adapter Current11.8A
  • AC Adapter Output Power85W
  • FeaturesFast Charging, USB Type C, Corded Electric, CE, 1, type_f_2p
  • 90 W USB-C Power Delivery charges compatible Dell laptops quickly
  • 100–240 V input works worldwide without a voltage converter
  • 6 ft cable gives flexible placement at a desk or outlet
  • Includes AC power cord so the adapter is ready to use
  • Safety protections guard against overload, overvoltage, short circuit and overheating

90W USB-C Adapter for Dell Laptops

This 90W USB-C AC adapter delivers up to 90W of power through a single Type-C port. It supports Dell Latitude, XPS, Precision and Inspiron models listed in the compatibility data. The unit accepts 100V-240V input at 50-60Hz for worldwide use. It is a direct replacement for Dell part numbers including DA65NM190 and LA65NM190.

6ft Cable and AC Cord Included

The package supplies a 6ft USB-C output cable attached to the adapter and a detachable AC power cord for the mains inlet. This combination lets you reach distant wall sockets without an extra extension lead. The cord uses a standard two-pin IEC C7 connector. No additional software or drivers are required for charging operation.

90W Peak with 65W and 45W Step-Down

The adapter negotiates 5V/3A, 9V/3A, 15V/3A and 20V/4.5A profiles, topping out at 90W. It also covers 65W, 45W, 30W and 29W Dell devices automatically. Systems that demand more than 90W or use proprietary barrel connectors cannot be powered by this unit. Buyers needing higher wattage or legacy round-tip charging should look elsewhere.

Highlights

  • 90 W USB-C Power Delivery charges compatible Dell laptops quickly
  • 100–240 V input works worldwide without a voltage converter
  • 6 ft cable gives flexible placement at a desk or outlet
  • Includes AC power cord so the adapter is ready to use
  • Safety protections guard against overload, overvoltage, short circuit and overheating

Specifications

BrandDELL
ModelSM90CS-01
Part NumberSM90CS-01
CompatibilityLaptops
Battery Voltage20V
AC Adapter Voltage20V
AC Adapter Current11.8A
AC Adapter Output Power85W
FeaturesFast Charging, USB Type C, Corded Electric, CE, 1, type_f_2pin_de_es, 20 volts, 5 amps

Questions about this item

Will the USB-C cable on the SM90CS-01 need replacing if the connector wears out?

The adapter ships with a fixed 6 ft USB-C cable; if the connector or cable is damaged the whole unit must be replaced.

What limits continuous output when the charger runs at full load?

The 90 W maximum power rating and the 20 V / 4.5 A output ceiling cap sustained delivery.

How much heat or fan noise does the 90 W adapter produce during all-day use?

The brick is passively cooled with no fan, so it runs silently and warms to a typical external temperature for a 90 W supply.

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