250W-300W AC Adapter Charger Compatible with ASUS ROG & TUF A25-250P1A ADP-250AB B
Keep your high-performance laptop running at peak power with this premium 250W–300W 20V AC replacement power adapter. Specifically engineered to deliver stable, high-efficiency charging for power-demanding gaming and creator laptops, this adapter features the proprietary rectangle slim tip connector and multi-layer electrical protection for safe, reliable operation.
Key Specifications
- Input: AC 100–240V ~ 50–60Hz 3.5A (Worldwide universal voltage)
- Output: DC 20.0V 12.5A (250W) / 20.0V 15.0A (Max 300W auto-adjusting)
- Connector Type: Rectangle Connector (Slim rectangular tip)
- Color: Black
- Condition: 100% Brand New replacement
Compatible Laptop Models
Fully compatible with 20V ASUS gaming and creator laptops utilizing the proprietary rectangle power port (requiring 240W, 250W, or 300W), including:
- ASUS ROG Zephyrus G16 Series (e.g., GU605, GA605 models with rectangle charging port)
- ASUS ROG Zephyrus G14 Series (e.g., GA403 models with rectangle charging port)
- ASUS ROG Zephyrus Duo Series (including Zephyrus Duo 16 / 2026 editions)
- ASUS TUF Gaming A16 Series (e.g., FA607 / Advantage Edition)
- ASUS TUF Gaming A18 Series (e.g., FA807 models)
- Compatible Part Numbers: A25-250P1A, ADP-250AB B, ADP-300AB series
Note: Please check your existing adapter's wattage and make sure your laptop uses the rectangular plug (not the round barrel or standard USB-C port).
Intelligent Safety & Protection
Engineered with advanced smart-chip circuitry to protect your valuable hardware:
- Over-Voltage Protection (OVP): Prevents voltage spikes from damaging internal laptop circuits.
- Over-Current Protection (OCP): Automatically regulates current output for consistent power delivery.
- Short-Circuit Protection (SCP): Shuts down output immediately in the event of an electrical fault.
- Over-Temperature Protection (OTP): Thermal regulation maintains safe operating temperatures under heavy load.
Package Includes
- 1 × 250W–300W AC Replacement Power Adapter
- 1 × AC Mains Power Cord (US, UK, EU, or AU plug selected automatically to match your destination country)
Warranty & Customer Satisfaction
- Warranty: 1-Year replacement warranty
- Return Policy: 30-day money-back guarantee
- Fast Dispatch: Securely packaged and inspected prior to shipment
Disclaimer: This is an aftermarket replacement power adapter designed to be fully compatible with the specified models. All brand names, trademarks, and model numbers (such as ASUS, ROG, TUF Gaming, Zephyrus, and Strix) are the property of their respective owners and are referenced solely for compatibility identification.
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Frequently asked questions
How do I know if this power adapter fits my CPAP machine?
Please check the model name on the bottom of your CPAP device or on your original power supply. Our adapters are designed to replace specific models (such as Philips Respironics DreamStation series or ResMed AirCurve 10). If you are unsure, feel free to send us a photo of your machine's label, and our team will confirm it for you before you order.
Is this replacement adapter safe for my CPAP machine?
Yes, absolutely. Our power supplies are built with comprehensive safety protections, including over-voltage, over-current, and short-circuit protection. They deliver stable, filtered power to ensure your machine operates smoothly without risk of electrical damage.
Can this adapter handle my heated humidifier and heated tubing?
Yes. Our adapters meet the full power specifications (such as 80W/90W) required by your machine, meaning they fully support running both the heated humidifier and heated tube simultaneously without power drops.
Can I use this adapter while traveling abroad?
Yes. The adapter supports universal worldwide input voltage (100V–240V AC, 50/60Hz). You only need a standard plug adapter for the local wall outlet if you travel internationally.
How quickly will my order be shipped?
We understand that uninterrupted sleep therapy is critical. Orders are processed within 24 hours, and tracking information will be emailed to you as soon as the package ships.
When will I get my order?
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
What if the adapter doesn't work or I ordered the wrong model?
We offer a 30-day hassle-free return and exchange guarantee. If it doesn't fit or work as expected, simply contact our support team and we will assist you with a replacement or a full refund.