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Black rectangular power brick with detachable cable and three interchangeable round connector tips

DELL 85W Laptop AC Adapter 19V 3.42A 4.5×3.0mm 4.0×1.35mm 5.5×2.5mm

SKU CH-19JV-WMH8R

85 W laptop charger with three barrel connectors and built-in safety protection

  • Battery voltage rating20 V
  • Power adapter voltage20 V
  • Power adapter current11.8A
  • Power adapter wattage85 W
  • Compatible withLaptop charger
  • Key featuresFast Charging, 4.5 × 3.0 mm 4.0 × 1.35 mm 5.5 × 2.5 mm, Cord
  • 85 W output powers demanding laptops reliably
  • 19 V 3.42 A matches original adapter specifications
  • Three connector tips fit 4.5×3.0 mm 4.0×1.35 mm 5.5×2.5 mm ports
  • 100-240 V input works worldwide without a converter
  • Overvoltage overcurrent short-circuit protection safeguards your device

85 W Dell laptop charger with three barrel tips

This 85 watt Dell AC adapter ships with interchangeable 4.5 × 3.0 mm, 4.0 × 1.35 mm and 5.5 × 2.5 mm connectors. It delivers 19 V at 3.42 A from a 100–240 V 50–60 Hz mains input. The unit is designed for laptops that require a barrel-style power jack.

Barrel connector limits and USB-C exclusion

The three supplied tips cover many Dell and Asus models, but the adapter cannot power devices that need USB-C 3.0 × 1.1 mm, 6.0 × 3.7 mm or 7.4 × 5.0 mm plugs. Polarity and voltage must match the laptop’s original charger exactly. No data or video signals pass through the barrel connection.

19 V 3.42 A output decides fit

The charger provides a fixed 19 volt 3.42 amp output rated at 85 watts, and it is also compatible with 45 watt and 65 watt requirements. If the laptop label specifies a different voltage or a higher current, this unit will not work. Built-in over-voltage, over-current and short-circuit protection safeguards the connected device.

How it compares

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

Price $24.99
Cheaper than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDELL
Power
Battery voltage rating20 V
Power adapter voltage20 V
Power adapter current11.8A
Power adapter wattage85 W
Compatibility
Compatible withLaptop charger

Questions about this item

Which connector size fits my laptop: 4.5×3.0 mm, 4.0×1.35 mm or 5.5×2.5 mm?

The adapter ships with three interchangeable tips — 4.5×3.0 mm, 4.0×1.35 mm and 5.5×2.5 mm — so you select the one that matches your device's charging port.

What does the 85 W rating mean when the adapter is plugged into my laptop?

It can deliver up to 85 W at 19 V and 3.42 A, automatically scaling down to 65 W or 45 W if your laptop only draws that much power.

Does the barrel connector limit charging speed compared with USB-C?

The barrel plugs are fixed at 19 V and 3.42 A, so the adapter cannot use USB-C Power Delivery voltages or currents beyond that level.

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