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Compact black rectangular USB-C power adapter with detachable cord

DELL OTDK33 90W USB-C AC adapter laptop charger

SKU CH-24ZA-1V5AS MPN OTDK33

A 90W USB-C power adapter delivering up to 20V at 4.5A for compatible Dell XPS, Latitude and Precision laptops

  • CompatibilityLaptops
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • AC Adapter Current11.8A
  • AC Adapter Output Power85W
  • FeaturesFast Charging, barrel connector, Corded Electric, type_a_2pi
  • Charges XPS, Latitude and Precision laptops with 90W USB-C power
  • Delivers 20V at 4.5A for fast charging compatible Dell models
  • Works with original part numbers OTDK33, LA90PM170 and DA90PM170
  • Operates on 100-240V input for worldwide use
  • Weighs 0.63 pounds for easy travel

90 W USB-C charger for Dell XPS and Latitude

This 90 W USB-C AC adapter delivers 20 V at up to 4.5 A to compatible Dell XPS, Latitude and Precision laptops. It accepts 100-240 V input at 50/60 Hz for worldwide use. The unit ships new with a barrel connector and a 2-pin North American plug. It replaces Dell part numbers OTDK33, LA90PM170 and DA90PM170.

Plug-in installation with fixed cable

Installation is a simple plug into the laptop USB-C port and a wall outlet; no drivers or configuration are required. The fixed cable means a damaged lead cannot be swapped without replacing the whole adapter. Users should verify their model appears in the supported list because some Dell systems need a different power profile.

Limited to USB-C Power Delivery profiles

The adapter negotiates 5 V, 9 V, 12 V, 15 V, 18 V and 20 V steps up to 90 W total. It cannot charge devices that demand higher voltages or proprietary barrel-pin signalling. Buyers who need more than 90 W or a detachable cable will need a different solution.

Highlights

  • Charges XPS, Latitude and Precision laptops with 90W USB-C power
  • Delivers 20V at 4.5A for fast charging compatible Dell models
  • Works with original part numbers OTDK33, LA90PM170 and DA90PM170
  • Operates on 100-240V input for worldwide use
  • Weighs 0.63 pounds for easy travel

Specifications

BrandDELL
ModelSK90195334
Part NumberSK90195334
CompatibilityLaptops
Battery Voltage20V
AC Adapter Voltage20V
AC Adapter Current11.8A
AC Adapter Output Power85W
FeaturesFast Charging, barrel connector, Corded Electric, type_a_2pin_na, 19.5 volts
Dimension14.33in W x 12.83in H x 9.06in D
Weight0.63 pounds

Questions about this item

How can I confirm the charger is delivering 20V at 4.5A after I plug it in?

The adapter label lists output profiles including 20V at 4.5A; a USB-C power meter inserted between the cable and laptop will show that voltage and current while the battery charges.

What comes in the box and is a USB-C cable included?

The package contains the 90W AC adapter with a fixed USB-C output cable and a detachable 2-pin North-American mains cord; no extra cable is required.

Should I choose the 65W or 90W version for a Latitude 7400 2-in-1?

The 90W model covers every listed Latitude including the 7400 2-in-1 and also supports XPS 15 and Precision 5530 that need the higher 85W output.

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