ASUS A20-100P1A 100W USB-C Charger for Compatible ROG Flow, Strix and Zephyrus Laptops

The ASUS A20-100P1A is a 100W USB Type-C AC adapter for use with compatible ASUS laptops and other ASUS devices that are capable of USB-C Power Delivery at the required power level. It supports a number of output profiles (5V/3A, 9V/3A, 15V/3A, 20V/5A) and has a maximum rated output of 100W.

This is an ASUS 100W USB-C charger which takes 100-240V AC at 50-60Hz. It's listed for a number of ASUS ROG Flow, ROG Strix, ROG Zephyrus and Zenbook models (subject to verification of each device's actual charging requirements).

The adapter is black and comes with a power cable. US, UK, EU and AU plug types are all available.

Before you go out and buy one check your original adapter's model number, check your laptop's USB-C charging support and check what wattage it requires. Some of the ASUS ROG laptops will require a higher wattage adapter to run at full performance so the 100W adapter in question should only be used if the laptop manufacturer has confirmed it's compatible.

Key Features

• 100W Power Output: Supports a maximum listed output of 20V ⎓ 5A.

• USB Type-C Connector: Designed for compatible laptops that support USB-C charging.

• Multiple Output Profiles: 5V ⎓ 3A, 9V ⎓ 3A, 15V ⎓ 3A, and 20V ⎓ 5A.

• Wide-Range AC Input: Supports 100–240V AC at 50–60Hz.

• Compatible Part Numbers: A20-100P1A and 0A001-1090100, as supplied.

• Regional Power Cord Options: US, UK, EU, and AU plug options are listed.

• Black Finish: Black adapter housing.

• Package Contents: One AC adapter and one power cord.

• Listed Device Families: Selected ASUS ROG Flow, ROG Strix, ROG Zephyrus, and Zenbook models. Exact compatibility must be confirmed before purchase.

Technical Specifications

Compatible Part Numbers

The supplied part numbers for this product are:

• A20-100P1A

• 0A001-1090100

Compare the part number and electrical specifications on your original adapter before ordering. Similar-looking ASUS adapters may have different output ratings or charging capabilities.

Compatible ASUS Models

The following models and series were supplied in the original compatibility information for this listing. They should be treated as potential compatibility matches, not independently verified compatibility claims. Confirm the exact laptop model and USB-C charging requirements before purchase.

ASUS ROG Flow Series

• ASUS ROG Flow X13 GV301

• ASUS ROG Flow X13 GV301Q

• ASUS ROG Flow X13 GV301QC

• ASUS ROG Flow X13 GV301QE

• ASUS ROG Flow X13 GV301QH

• ASUS ROG Flow X13 GV301R

• ASUS ROG Flow X13 GV301RA

• ASUS ROG Flow X13 GV301RC

• ASUS ROG Flow X13 GV301RE

• ASUS ROG Flow Z13 GZ301Z

• ASUS ROG Flow Z13 GZ301ZC

• ASUS ROG Flow Z13 GZ301ZE

ASUS ROG Strix G15 Series

• G513

• G513I

• G513IC

• G513IE

• G513IH

• G513IM

• G513IR

ASUS ROG Strix G17 Series

• G713

• G713I

• G713IC

• G713IE

• G713IH

• G713IM

• G713IR

• G713Q

• G713QC

• G713QE

• G713QM

• G713QR

• G713QY

• G713R

• G713RM

• PX713QM

ASUS ROG Strix SCAR 15 Series

• G533Q

• G533QM

• G533QR

• G533QS

• G533Z

• G533ZM

• G533ZS

• G533ZW

• G533ZX

ASUS ROG Strix SCAR 17 Series

• G733

• G733Q

• G733QM

• G733QR

• G733QS

ASUS ROG Zephyrus Duo Series

ROG Zephyrus Duo 15 SE

• GX551QM

• GX551QR

• GX551QS

ROG Zephyrus Duo 16

• GX650

• GX650RM

• GX650RS

• GX650RW

• GX650RX

ASUS ROG Zephyrus Series

The supplied listing also mentions these product families:

• ASUS ROG Zephyrus G14

• ASUS ROG Zephyrus G15

• ASUS ROG Zephyrus M16

• ASUS ROG Zephyrus S17

The specific model ASUS ROG Zephyrus G15 GA503QM with RTX 3060 is mentioned in the original product title. Confirm whether this exact configuration supports charging with the A20-100P1A 100W USB-C adapter before advertising it as compatible.

ASUS Zenbook Series

• ASUS Zenbook 14

• ASUS Zenbook 14X

Confirm the full model number and charging specifications for your Zenbook before purchasing.

Compatibility Guide

To help select the correct replacement charger, check these details before placing an order:

1. Adapter part number: Check whether your original charger is marked A20-100P1A or 0A001-1090100.

2. USB-C charging support: Confirm that your laptop accepts power through its USB Type-C port.

3. Power Delivery requirements: Verify that the laptop supports the required USB-C charging protocol and 20V ⎓ 5A output.

4. Required wattage: Confirm that 100W meets the laptop manufacturer's recommended charging requirements.

5. Gaming performance: A 100W USB-C adapter may be suitable for supported charging scenarios but may not replace a higher-wattage adapter for full gaming performance.

6. Regional plug: Select the correct US, UK, EU, or AU power cord option.

Important: The same ASUS product family can include different hardware configurations and charging requirements. Do not assume every model in the lists above is compatible solely because it uses USB-C.

Package Includes

• 1 × ASUS A20-100P1A 100W USB-C AC adapter

• 1 × Power cord

Plug options: US / UK / EU / AU, depending on the selected product configuration.

Confirm the selected plug type and cable configuration with the seller before ordering.

Frequently Asked Questions

1. What is the ASUS A20-100P1A charger?

The ASUS A20-100P1A is a listed 100W USB Type-C AC power adapter for compatible ASUS laptops that support the specified USB-C charging requirements.

2. What is the maximum output of this ASUS USB-C charger?

Its maximum listed output is 20V ⎓ 5A, equivalent to 100W.

3. What are the output voltage profiles?

The listed output profiles are 5V ⎓ 3A, 9V ⎓ 3A, 15V ⎓ 3A, and 20V ⎓ 5A.

4. Is this adapter compatible with the ASUS ROG Flow X13 GV301 series?

The supplied compatibility list includes selected GV301 models. Check your exact model's USB-C charging requirements and recommended power rating before ordering.

5. Can I use this 100W adapter with the ASUS ROG Zephyrus G15 GA503QM RTX 3060?

The model is mentioned in the original product title, but compatibility has not been independently confirmed. Check the laptop manufacturer's specifications to determine whether 100W USB-C charging is supported and whether it meets your intended power requirements.

6. Can this charger replace the original power adapter for an ASUS ROG Strix laptop?

Only if the exact model supports USB-C charging with the required output. Some ROG Strix configurations require higher-wattage adapters, especially during demanding gaming workloads.

7. Does the adapter support worldwide AC input?

Yes. The listed input range is 100–240V AC at 50–60Hz. Select a suitable regional plug or power cord for your location.

8. Is a power cord included?

Yes. The package information specifies one AC adapter and one power cord. The available plug options are US, UK, EU, and AU.

9. How do I confirm whether A20-100P1A is the correct replacement?

Compare the part number on your original adapter, verify the laptop's supported USB-C charging protocol, and confirm the required voltage, current, and wattage.