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Rectangular black power brick with barrel connector and detachable mains lead

NShi

NShi 330W AC adapter for Asus ROG Strix Scar 16 17 18 Zephyrus Duo 16

SKU CH-AAZ6-D3W2Q

330 W AC adapter with 100–240 V input and 20 V 16.5 A output for Asus ROG Strix Scar 16, 17, 18 and Zephyrus Duo 16 laptops

  • 330W output powers demanding ROG Strix Scar 16, 17 and 18 models
  • 100-240V input with 50-60Hz frequency works worldwide
  • 20V 16.5A DC delivery matches A21-330P1A and A22-330P1A specifications
  • Compatible with ROG Zephyrus Duo 16 GX650 series laptops
  • Supports RTX 4060, 4070, 4080 and 4090 equipped systems

330W AC adapter for ROG Strix and Zephyrus

This 330W AC adapter powers Asus ROG Strix Scar 16, 17 and 18 models as well as Zephyrus Duo 16 laptops. It replaces the original A21-330P1A and A22-330P1A units. The charger suits owners of high-performance ROG machines that require the full 330W rating.

Included DC cable and connector tip

The bundled DC cable and proprietary connector tip match the ROG charging port directly. No separate tip selection or soldering is required. This ready-to-use cable lets you restore charging immediately without hunting for a compatible plug.

100-240V input and 20V 16.5A output limits

The adapter accepts 100-240V AC at 50-60Hz and delivers a fixed 20V 16.5A DC output. It cannot negotiate lower voltages for smaller ultraportables. Devices that need a different voltage or a higher current will not operate from this unit.

How it compares

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

Price $44.99
Pricier than about 77% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the 330W adapter contain any user-replaceable parts such as a fuse or detachable cable?

The unit is a sealed 330W brick with a fixed DC output cord; no internal fuse or detachable lead is accessible for user replacement.

What thermal limit will throttle the charger first during continuous 330W output?

The adapter relies on passive convection cooling; its internal over-temperature protection will activate before any component reaches its maximum rated temperature.

How much heat and audible noise does the 330W brick produce when powering a Scar 18 all day?

Under full 330W load the brick runs warm to the touch and remains silent, as it has no fan and draws up to 4.5A at 100-240V AC input.

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