Introduction
Thank you for choosing the Anker 20W Dual-Port Fast Charger. This compact and powerful charger is designed to provide high-speed charging for your iPhone, Samsung phones, iPads, and other compatible devices. With both USB-C and USB-A ports, it allows for simultaneous charging of two devices. This manual provides essential information on how to set up, operate, maintain, and troubleshoot your charger, ensuring optimal performance and safety.

Image: The Anker 20W Dual-Port Fast Charger (2-Pack) with included USB-C cables.
What's Included
Your Anker 20W Dual-Port Fast Charger package includes the following items:
- Two (2) Anker 20W Dual-Port Chargers
- Two (2) 5 ft USB-C to USB-C Cables
- Welcome Guide

Image: Illustration of the included 5 ft USB-C to USB-C cable connected to the charger.
Setup
- Unpack the Charger: Carefully remove the Anker 20W Dual-Port Fast Charger and the included USB-C cables from their packaging.
- Locate a Power Outlet: Find a standard wall power outlet (AC 100-240V) that is easily accessible.
- Plug in the Charger: Insert the charger's prongs into the power outlet. Ensure it is securely seated.
- Connect Your Device:
- For USB-C devices: Use one of the included USB-C to USB-C cables. Connect one end to the USB-C port on the charger and the other end to your device's USB-C charging port.
- For USB-A devices: Use a compatible USB-A to your device's cable (not included). Connect the USB-A end to the USB-A port on the charger and the other end to your device's charging port.
- Begin Charging: Once connected, your device should begin charging automatically.
Operating Instructions
The Anker 20W Dual-Port Fast Charger offers efficient and safe charging for a wide range of devices.
Single-Port Charging
When charging a single device, the charger can deliver up to 20W max output via the USB-C port or up to 18W max output via the USB-A port, depending on the device's charging requirements.

Image: Demonstrates fast charging capabilities, reaching 54% in 30 minutes for compatible devices.
Simultaneous Dual-Port Charging
You can charge two devices simultaneously using both the USB-C and USB-A ports. When both ports are in use, the 20W output is shared between them. For example, the USB-C port may deliver 20W shared, and the USB-A port may deliver 7.5W max each, depending on the power distribution logic and connected devices.

Image: Visual representation of charging two devices concurrently with the Anker charger.
Safety Features (MultiProtect)
The Anker charger is equipped with MultiProtect safety system, which includes:
- Over-Voltage Protection: Prevents damage from excessive voltage input.
- Over-Current Protection: Safeguards against excessive current flow.
- Short Circuit Protection: Protects against short circuits.
- And other advanced safety features to ensure safe charging.

Image: Diagram illustrating the MultiProtect safety features of the Anker charger.
Maintenance
- Cleaning: Disconnect the charger from the power outlet before cleaning. Use a dry, soft cloth to wipe the surface. Do not use liquid cleaners or aerosols.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the charger or subjecting it to strong impacts. Do not disassemble or attempt to repair the charger yourself.
- Cable Care: Do not bend or pull the charging cables excessively. Store cables neatly to prevent tangling and damage.
Troubleshooting
Problem | Possible Cause | Solution |
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Device not charging. |
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Slow charging speed. |
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Charger feels warm. |
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Specifications
Feature | Detail |
---|---|
Model Number | A2348 |
Product Dimensions | 1.75 x 1.09 x 1.69 inches |
Item Weight | 2.86 ounces |
Input Voltage | 100 Volts (AC 100-240V compatible) |
Connectivity Technology | USB |
Connector Type | USB Type C, USB Type A |
Special Feature | Fast Charging, Dual-Port Output |
Color | White |
Manufacturer | Anker |
Output Power Distribution
Mode | USB-C Output | USB-A Output |
---|---|---|
Single Port (USB-C) | 20W Max | N/A |
Single Port (USB-A) | N/A | 18W Max |
Dual Port (USB-C + USB-A) | 20W Shared | 7.5W Max Each |

Image: Detailed output specifications for single and dual-port charging.
Compatible Devices
This charger is broadly compatible with a variety of devices. For optimal performance, use with devices that support USB Power Delivery (PD) or Quick Charge (QC) for fast charging.
- Compatible Phone Models: iPhone 16 / 16 Pro / 16 Pro Max / 16 Plus / 15 Series, Galaxy S23 / S23+ / S23 Ultra / S22 / S22+ / S22 Ultra / S21 / S21+ / S21 Ultra, Google Pixel 6 / 7 Series.
- Compatible Devices: iPad Pro 11" / iPad Pro 12.9" / iPad mini 6 / iPad mini 5 / iPad Air 4, AirPods Pro / AirPods (1-3rd Gen), Apple Watch 1-8 / Ultra.

Image: Comprehensive compatibility chart for the Anker charger.
Warranty and Support
Anker provides an 18-month warranty for this product, covering manufacturing defects from the date of purchase. This warranty ensures that your product is free from defects in material and workmanship under normal use.
For warranty claims, technical support, or any inquiries, please contact Anker customer service through their official website or the contact information provided in your Welcome Guide. Please have your purchase receipt and product model number (A2348) ready when contacting support.
Anker is committed to providing friendly and responsive customer service to ensure your satisfaction.