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Slim black rectangular Dell 65W 19V 3.42A AC adapter with barrel connector

DELL

DELL 492-BBOU 65W 19V 3.42A AC Adapter

SKU CH-E7E6-CMM90 MPN 492-BBOU

65 W 19 V 3.42 A AC adapter for Dell Inspiron and Latitude notebooks, Chromebook 11 and 3120, and select tablets

  • Battery voltage rating19 V
  • Power adapter voltage19 V
  • Power adapter current3.42A
  • Power adapter wattage65 W
  • Main functionNotebook
  • Product typeAC Adapter
  • Delivers 65 W of power for reliable notebook charging
  • Supplies 19 V DC at 3.42 A for stable output
  • Compatible with Latitude 3330, 3440, 3540 and other models
  • Works with Inspiron 15R 5537, 17R 5737 and 14R 5437
  • Also powers Chromebook 11 and Chromebook 3120

What This Adapter Powers

The DELL 492-BBOU is a 65W AC adapter that delivers 19V at 3.42A for compatible Dell notebooks, Chromebooks and tablet PCs. It replaces a lost or damaged original charger and restores full charging speed for the listed models.

Build Fit and Connections

The unit plugs directly into the barrel-style DC jack found on the supported Latitude, Inspiron and Chromebook models. No extra cables, docks or voltage converters are required; the single 19V output matches the device input exactly.

Who Should Buy and Who Should Not

Buyers with a Latitude E7240, Inspiron 15R 5537, Chromebook 11 or any other model in the compatibility list get a direct-fit replacement. Users whose laptops need a different voltage, a higher wattage or a USB-C power connection must choose another adapter.

How it compares

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

Price $34.99
Pricier than about 62% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameDELL
Product typeAC Adapter
Power
Battery voltage rating19 V
Power adapter voltage19 V
Power adapter current3.42A
Power adapter wattage65 W
Size & build
Shipping weight0.91 kg
Package size305 × 229 × 102 mm
More details
Main functionNotebook

Questions about this item

Does the 65 W rating hold up during long charging sessions?

The adapter is rated for a continuous 65 W output at 19 V and 3.42 A, so it will sustain that power level as long as the connected notebook draws it.

How much heat or fan noise does the slim 65 W brick produce when left plugged in all day?

The unit has no fan and relies on passive cooling; it will warm up under full load but runs silently.

Which Dell laptops can I use this 492-BBOU adapter with right away?

It matches the 19 V, 3.42 A requirement of models such as the Inspiron 15 5537, Latitude E7440, Chromebook 11 and the full compatibility list provided.

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