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Rectangular black power brick with 4-pin DIN connector and long cord

WAWEIS

WAWEIS 4-Pin DIN 20V 11A 220W AC/DC Adapter for Alienware M51 766SNO Area-51M 7700 D900T N766

SKU CH-GJZ3-JHJMH

A 220W 4-pin DIN AC adapter with 10ft cord and FCC, CE, RoHS certification, compatible with Alienware M51, Area-51M and D900T models

  • World-wide 100-240 VAC input works anywhere
  • 20 V 11 A 220 W output powers demanding Alienware models
  • 10 ft total cord length gives flexible placement
  • Multiple safety protections guard against over-current, over-voltage and short circuits
  • FCC, CE and RoHS certified for verified quality

Power adapter for Alienware laptops

This 220W AC/DC adapter delivers 20V at 11A through a 4-pin DIN connector. It is built as a direct replacement for Alienware M51, 766SNO, Area-51M, 7700, D900T and N766 models. The unit accepts worldwide input voltage from 100 to 240VAC at 50 or 60Hz.

Installation and common issues

The adapter plugs into the laptop’s 4-pin DIN port and a standard mains socket with a 10 ft power cord. No tools or drivers are required. The most frequent problem is using an adapter with the wrong pin layout or insufficient wattage, which prevents charging or triggers protection shutdowns.

Check before ordering

Confirm your laptop uses a 4-pin DIN connector and requires exactly 20V 11A 220W output. Verify the model number matches M51, 766SNO, Area-51M, 7700, D900T or N766. This adapter is not for devices that need a different connector type, voltage, amperage or wattage.

How it compares

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

Price $49.99
Pricier than about 82% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

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