1. Introduction
The Anker Nano Charger (Model A121A) is an ultra-fast, compact, and stylish 70W charger featuring three output ports: two USB-C ports and one USB-A port. Designed for efficient and safe charging, it incorporates advanced thermal monitoring and a travel-friendly design, making it ideal for powering a wide range of devices including laptops, tablets, and smartphones.
2. What's in the Box
- Anker Nano Charger (70W, 3 Ports)
- 4.9 ft USB-C to USB-C Cable
- Welcome Guide
3. Key Features
- Ultra-Fast 70W Output: Each USB-C port delivers up to 70W max, capable of charging a 14-inch MacBook Pro (2024) from 0 to 50% in approximately 35 minutes.
- Compact and Travel-Friendly Design: Approximately 41% smaller than a standard 70W USB-C charger, with dimensions of 2.09 × 1.68 × 1.24 inches. Features a foldable plug for enhanced portability and to prevent scratching other items.
- Advanced Safety with ActiveShield 4.0: TÜV Rheinland certified with ActiveShield 4.0 thermal monitoring, ensuring surface temperatures remain up to 50°F (10°C) lower than international safety benchmarks.
- Premium Aesthetic: Textured shell, glossy finish, and a metal frame provide a modern and elegant appearance.
- Optimized Stability: Designed with an optimized center of gravity and frosted thick prongs for a secure fit in wall outlets, preventing accidental dislodgement.
4. Setup Instructions
- Unfold the Prongs: Gently pull out the foldable prongs from the charger body until they lock into place.
- Connect to Power Outlet: Plug the Anker Nano Charger firmly into a standard wall outlet. The charger's optimized design ensures a stable connection.
- Connect Devices: Use appropriate USB-C or USB-A cables to connect your devices to the charger's ports. For optimal fast charging, use the included 4.9 ft USB-C to USB-C cable.

5. Operating Instructions
Power Output and Distribution:
The Anker Nano Charger intelligently distributes power across its ports to ensure efficient charging for connected devices. The maximum output for each port varies depending on the number of devices connected simultaneously.
- Single Port Usage:
- Each USB-C port (USB-C1 or USB-C2) can deliver up to 70W Max.
- The USB-A port can deliver up to 33W Max.
- Multiple Port Usage:
- When both USB-C1 and USB-C2 are in use, power is distributed as 60W Max + 5W Max.
- When one USB-C port (C1 or C2) and the USB-A port are in use, power is distributed as 45W Max + 22.5W Max.
- When all three ports (USB-C1, USB-C2, and USB-A) are in use, power is distributed as 45W Max + 7.5W Max + 7.5W Max.
For optimal fast charging, it is recommended to use devices with a power requirement of 70W or less, especially when utilizing a single USB-C port for high-power devices like laptops.

6. Maintenance
- Cleaning: Disconnect the charger from the power outlet and all devices before cleaning. Use a dry, soft cloth to wipe the surface. Avoid using liquid cleaners or harsh chemicals.
- Storage: When not in use, fold the prongs for compact 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 attempt to disassemble or modify the charger.
7. Troubleshooting
- Device Not Charging:
- Ensure the charger is securely plugged into a working wall outlet.
- Verify that the charging cable is properly connected to both the charger and your device.
- Try using a different cable or port to rule out cable or port issues.
- Confirm your device is compatible with the charger's output specifications.
- Slow Charging:
- Check the power distribution guidelines in Section 5. Connecting multiple devices can reduce the power available to each individual port.
- Ensure your cable supports fast charging. The included Anker USB-C to USB-C cable is recommended for optimal performance.
- Some devices may limit charging speed when their battery is nearly full.
- Charger Overheating:
- The Anker Nano Charger features ActiveShield 4.0 thermal monitoring to prevent overheating. If the charger feels excessively hot, disconnect it immediately and allow it to cool down.
- Ensure adequate ventilation around the charger. Avoid covering it or using it in enclosed spaces.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 2.09 x 1.68 x 1.24 inches |
| Item Weight | 7.8 ounces |
| Model Number | A121A |
| Brand | Anker |
| Connector Type | USB Type C |
| Compatible Devices | Tablets, iPhone 17/16/15/14/13/12 Series, MacBook, iPad, Pixel, Galaxy, and more |
| Included Components | Cable |
| Special Feature | Fast Charging |
| Color | Black |
| Input Voltage | 240 Volts |
| Amperage | 1.8 Amps |
| Total USB Ports | 3 |
9. Warranty and Support
The Anker Nano Charger comes with an 18-month warranty. For detailed warranty information, FAQs, tutorials, and further support, please visit the official Anker support website.
Anker Support Website: https://support.anker.com





