BULL-TECH 180W AC Adapter for ASUS ROG Zephyrus & TUF

BULL-TECH's 180W AC adapter is a direct replacement power supply for many ASUS ROG Zephyrus and TUF gaming laptops, delivering 19.5V at 9.23A via a 6.0×3.7mm connector.

If your original ASUS adapter is lost, damaged, or underperforming, this BULL-TECH replacement provides the same electrical ratings and connector size used on a range of Zephyrus and TUF models. It matches common OEM part numbers (for example ADP-180TB variants and A17/A18 series IDs) and includes built-in protections to keep charging consistent and safe. The unit is designed to power demanding gaming laptops without the bulk or extra wattage of higher-rated bricks that aren't compatible.

Which ASUS models will this adapter power?

This adapter fits multiple ROG Zephyrus and TUF series machines that originally shipped with a 180W adapter. It works with many GA401, GA502 and FX/FX505/FX705 family laptops, among others listed by the manufacturer. Always confirm your laptop’s required voltage/current and connector size before purchase.

• Brands/models: ASUS ROG Zephyrus GA401, GA502, and TUF FX505, FX705 families.
• Compatible part numbers: ADP-180TB H/HB, ADP-180UB BA/BB, A18-150P1A, A17-180P1A, and several 0A001-XXXXX SKUs.
• Connector specifications: 6.0 × 3.7 mm plug size matches these laptops.
• Not compatible with 200W–280W ASUS chargers—do not substitute higher-wattage adapters.

How does the BULL-TECH unit protect my laptop while charging?

The adapter includes multiple safety circuits to prevent common electrical faults. Protections guard against overcurrent, short circuits, overvoltage and internal overheating so the supply stays stable under heavy load. These measures help preserve both the charger and the laptop's charging circuitry.

• Built-in short circuit and overcurrent protection.
• Overvoltage cutoff to prevent spikes reaching your device.
• Thermal safeguards to reduce risk of overheating during prolonged gaming sessions.
• Quality control testing carried out on each unit before shipping.

What are the technical specs and connector details?

The adapter outputs 19.5 volts at a maximum of 9.23 amps for a total of 180 watts—matching the original OEM rating for the compatible models. The barrel connector measures 6.0 × 3.7 mm, the common plug for this family of ASUS laptops. Cable length and plug polarity follow OEM conventions so the adapter fits and functions without modification.

• Output: 19.5V DC, 9.23A, 180W.
• Connector: cylindrical 6.0 × 3.7 mm barrel plug.
• Input: standard AC mains (region-specific plug on the power cord).
• Form factor: compact rectangular brick with molded cord and strain relief.

Who is this for? Gamers, creators, and power users with ASUS ROG Zephyrus or TUF laptops who need a reliable replacement for a failed or missing 180W adapter will find this BULL-TECH unit suitable. It’s intended for users who require OEM-level output and connector compatibility without upgrading to mismatched higher-wattage bricks. If you are unsure which adapter your laptop needs, check your original charger’s label for voltage, amperage and plug dimensions before ordering.