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Black rectangular laptop power brick with rectangle connector and US plug

NShi

NShi 240W AC Adapter Rectangle Connector 20V 12A

SKU CH-ETNM-EPH3Q

A 240 W laptop power supply with rectangle connector delivering 20 V at 12 A for compatible Asus ROG Zephyrus, TUF Gaming and ProArt models

  • Delivers 240W output for demanding gaming laptops
  • Rectangle connector ensures secure fit on supported Asus models
  • Universal 100-240V input works worldwide without a voltage converter
  • Built-in short-circuit, overvoltage, overcurrent and overheat protection safeguards hardware
  • Includes US power cord for immediate desktop use

240W Rectangle Connector Adapter

This 240W AC adapter delivers 20V at 12A through a rectangle connector for compatible Asus laptops. It suits owners of listed ROG Zephyrus G16, TUF Gaming, ProArt PZ13, PX13 and P16 models who need a replacement or spare power supply. The unit accepts 100-240V 50-60Hz input and includes a US power cord in the box.

Verify Connector and Part Numbers

Before ordering, confirm your laptop uses the rectangle connector shown in the product images and not a 6.0*3.7mm barrel type. Match your original charger part number against ADP-240EB BH, A20-200P1A, 0A001-00971100 or 0A001-01120600 and check your model appears in the supported list such as GU605, GA605, FA401, FA608, HT5306, HN7306 or H7606.

Sustained Load Behaviour

The adapter is rated for continuous 240W output with built-in protection against short circuit, overvoltage, overcurrent and internal overheating. Safety mechanisms are designed to maintain stable operation during extended charging sessions under full load rather than only in short bursts. Rigorous quality control and compliance with top industry standards support reliable long-term performance.

How it compares

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

Price $62.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

No published specifications for this item yet.

Questions about this item

Does the adapter include the power cord or do I need to buy it separately?

The box contains the 240W charger and one US power cord with a three-prong outlet plug.

My Asus ROG Zephyrus G16 GU605 uses a rectangle connector — will this adapter fit?

Yes, the rectangle connector matches the GU605 series and is not compatible with the 6.0*3.7mm barrel type.

Will the 20V 12A output fully power a GU605MZ-XS96 under heavy gaming load?

The adapter delivers 240W at 20V 12A, matching the original A20-200P1A specification for that model.

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