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Black rectangular 90W USB-C power adapter with detachable cord

Dell SL195334 90W USB-C AC Adapter LA90PM170

SKU CH-1QR0-FZTDQ

A 90W USB-C power adapter delivering 20V at 4.5A with broad Dell XPS, Latitude and Precision compatibility

  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Compatible withCompatible with dell 90w 65w usb c laptops
  • Key featuresFast Charging, USB Type C, Corded Electric, UL, 1, type b 3p
  • 90W USB-C power keeps Dell XPS and Latitude models running
  • 20V 4.5A output charges compatible 65W and 45W systems without errors
  • UL-listed safety guards against over-current, over-voltage and short circuits
  • Single compact adapter replaces multiple bricks for travel and desk use
  • 88 oz weight slips into bags, purses or pockets with ease

What this charger is and who it fits

This is a new Dell 90W USB-C AC adapter, model SL195334, part number LA90PM170. It delivers 20V at up to 4.5A for 90W maximum output and also supports 65W and 45W Dell laptops that use USB-C power. The unit is UL listed and includes overcurrent, overvoltage and short-circuit protection.

What to verify on your laptop before ordering

Confirm your Dell laptop charges through a USB-C port and accepts 20V input. Check that the original adapter is rated for 90W, 65W or 45W at 20V. Match the part number LA90PM170 or DA90PM170 against your device’s service tag or the label on your existing charger.

How it fits into your setup

The adapter uses a standard 100-240V AC input with a three-pin North American cord, so it works on household and office outlets worldwide. Its compact, lightweight design replaces multiple older bricks and can also charge phones or tablets that support USB-C power delivery, reducing the number of chargers you carry.

How it compares

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

Price $45.99
Pricier than about 78% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDELL
Model nameSL195334
Part numberLA90PM170 DA90PM170
Power
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Size & build
Product weight8.88 oz
Compatibility
Compatible withCompatible with dell 90w 65w usb c laptops

Questions about this item

Does the adapter include a USB-C cable or must I buy one separately?

The unit is a corded electric adapter with an integrated USB Type-C connector, so no separate cable is required.

Should I choose this 90W model over a 65W or 45W version for my Dell XPS 13 9360?

This 90W adapter delivers 20V 4.5A and is backward compatible with 65W (20V 3.25A) and 45W (20V 2.25A) Dell USB-C laptops, so it covers all three power levels.

What does the 90W rating mean when the adapter is connected to my Latitude 5420?

The adapter can supply up to 90W (20V 4.5A); the Latitude 5420 will draw only the power it needs, up to its own maximum, while the adapter runs cooler at lower loads.

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