CRUMFERT 240W 20V 12A AC Adapter for ASUS ROG

CRUMFERT's ADP-240EB B is a 240W replacement AC adapter delivering 20V at 12A with a 6.0 x 3.7mm center-pin plug built for many ASUS ROG and ZenBook Pro Duo laptops.

When your original charger fails or you need a reliable spare for gaming, content creation, or travel, this CRUMFERT power supply offers a high-output, safety-protected alternative compatible with a broad list of ASUS models. It mirrors the ADP-240EB B specification so your laptop receives stable power for performance‑heavy tasks without the bulk of multiple chargers.

Which ASUS laptops will this CRUMFERT adapter work with?

This adapter is designed to replace the factory ADP-240EB B and fits many ROG Zephyrus, ROG Strix, and ZenBook Pro Duo models. Check your laptop’s required plug size and power rating—20V 12A—before purchasing to ensure proper compatibility.

• Compatible with Zephyrus M16 GU603HR / GU603HM and Zephyrus Duo 15 GX550LXS/GX550LWS
• Fits ZenBook Pro Duo 15 OLED (UX582) and GX551QM family
• Works with ROG Strix G15/G17 and Strix Scar 15/17 series including G533, G713, G733 model lines
• Includes a 6.0 x 3.7mm center‑pin plug matching the original ASUS connector

How does the CRUMFERT adapter protect my laptop and deliver stable power?

The unit includes multiple built‑in protections—overcharge, overcurrent, overvoltage, short‑circuit and overheat—helping safeguard your laptop and battery. Its regulated output minimizes voltage ripple and electrical noise for consistent performance during gaming or rendering.

• Overcharge and overcurrent protection to prevent damage
• Low ripple output for stable system operation
• Quality components and circuit board improve durability
• Thermal safeguards reduce risk during extended high-load use

What comes in the box and what should I expect from installation?

Each package contains one CRUMFERT 240W AC adapter and a free detachable power cord for immediate use. Installation is plug‑and‑play: connect the cord to the adapter, insert the center‑pin plug into the laptop, and confirm the laptop recognizes external power before full use.

• Package includes: 1 AC adapter + 1 power cord
• Plug size: 6.0 x 3.7mm with center pin—match this to your laptop port
• Simple connection—no driver or software required
• Verify laptop charging status LED or battery icon after plugging in

Will this adapter affect charging speed or performance during heavy use?

At 240W (20V/12A) this adapter supplies the higher power that gaming and workstation laptops require to maintain peak performance while charging. It allows power‑hungry components like discrete GPUs and high-refresh displays to run without throttling due to insufficient power input.

• 240W output supports full system loads and charging simultaneously
• Designed for systems that demand higher wattage than standard chargers
• Helps prevent slow charging when the laptop is under heavy CPU/GPU load
• Maintains precise voltage to reduce performance-impacting fluctuations

Who is this for? Gamers, content creators, and professionals who own compatible ASUS ROG or ZenBook Pro Duo models and need a dependable high‑wattage replacement or travel charger will benefit most. Choose this CRUMFERT ADP-240EB B when you want the same electrical specifications as the original AC adapter, robust safety features, and a ready‑to‑use kit that keeps demanding laptops powered during long sessions.