1. Product Overview
The Anker 335 Power Bank (PowerCore 20K) is a high-capacity portable charger designed to keep your electronic devices powered on the go. With a 20,000mAh battery, it provides ample power for multiple charges of your smartphone, tablet, and other compatible devices.
Image: The Anker 335 Power Bank, a sleek black portable charger, shown with its accompanying USB-A to USB-C cable.
Key Features:
- High Capacity: Equipped with 20,000mAh capacity, capable of charging an iPhone 13 over 4 times or a Galaxy S22 Ultra more than 3 times.
- Fast Charging: Delivers up to 20W fast charging, allowing an iPhone 13 to reach 50% charge in approximately 37 minutes.
- Multi-Device Charging: Features 3 USB ports (2 USB-A, 1 USB-C) to charge your phone, tablet, earbuds, or Apple Watch simultaneously.
- Advanced Safety: Incorporates Anker’s exclusive MultiProtect safety technology, offering 10 safety features for comprehensive device protection.
2. Package Contents
Ensure all items are present in your package:
- Anker 335 Power Bank (PowerCore 20K)
- USB-A to USB-C cable
- Welcome Guide
3. Initial Setup
Charging the Power Bank
Before first use, fully charge your Anker 335 Power Bank. Connect the included USB-A to USB-C cable to the power bank's USB-C port and a compatible USB wall charger (not included). The indicator lights will show the charging progress.
Image: A graphic illustrating the charging capacity of the Anker 335 Power Bank, showing it can provide 4.3 charges for an iPhone 13, 5.1 charges for an iPhone 12, and 3.1 charges for a Samsung S22.
4. Operating Instructions
Checking Battery Level
To check the remaining battery level of your power bank, simply press the power button located on the side. The LED indicators will illuminate to show the current charge level.
Charging Your Devices
Connect your device to one of the power bank's output ports (USB-A or USB-C) using an appropriate charging cable. The power bank will automatically begin charging your device. For optimal fast charging, use the USB-C port with a compatible cable.
Image: The Anker 335 Power Bank connected to an iPhone 13 via a USB-C cable, demonstrating its 20W fast charging capability, which can charge the iPhone to 50% in 37 minutes.
Charging Multiple Devices
The Anker 335 Power Bank allows you to charge up to three devices simultaneously using its multiple output ports.
Image: The Anker 335 Power Bank connected to and simultaneously charging an iPhone, an Apple Watch, and a pair of AirPods.
Compatibility
The Anker 335 Power Bank is compatible with a wide range of devices, including:
- Phones: iPhone 15 / 15 Pro / 15 Pro Max, iPhone 14 / 14 Pro / 14 Pro Max, Samsung S21, Samsung S22, Google Pixel 5 / 6.
- Tablets: iPad 9th Gen, iPad 2020.
- Wireless Earbuds: AirPods Pro / 3 (with wireless charging case).
- Smartwatches: Apple Watch Series 5 and 7.
Note: USB-C to Lightning cable and Apple Watch cable are not included. Use an original 1 ft (0.3 m) or 3.3 ft (1 m) USB-C charging cable to charge Apple Watch (not included).
Image: A visual representation of the Anker 335 Power Bank's broad compatibility, listing various models of iPhones, Samsung phones, Google Pixel phones, iPads, AirPods, and Apple Watch models.
Official Product Video
Video: An official brand video from Anker, showcasing the features and benefits of their products, including portable chargers.
5. Maintenance
To ensure the longevity and optimal performance of your Anker 335 Power Bank, follow these maintenance guidelines:
- Avoid Humid Environments: Do not use the power bank in humid environments to prevent oxidation of the USB ports, which can affect functionality.
- Clean Ports: If the power bank is not functioning properly, clean the USB ports with alcohol swabs to reduce contact issues caused by debris or oxidation.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
Image: A graphic highlighting the safety features of the Anker 335 Power Bank, including temperature control, a fireproof exterior, premium battery cells, and MultiProtect technology, all encased within a protective shield icon.
6. Troubleshooting
If you encounter issues with your Anker 335 Power Bank, consider the following:
- Device Not Charging: Ensure the charging cable is securely connected to both the power bank and your device. Try a different cable or port.
- Power Bank Not Charging: Verify that the wall charger is functioning correctly. Clean the power bank's input port with an alcohol swab if there's suspected debris or oxidation.
- MacBook Compatibility: This power bank is not compatible with MacBook Pro 13" (2019) and MacBook Pro 16" models.
- Pass-Through Charging: The Anker 335 Power Bank does not support pass-through charging, meaning you cannot charge the power bank and a device simultaneously.
7. Technical Specifications
| Feature | Specification |
|---|---|
| Model Number | A1288 |
| Battery Capacity | 20,000 Milliamp Hours |
| Product Dimensions | 6.55 x 3.26 x 0.93 inches |
| Item Weight | 1.02 pounds |
| Connector Type | USB-A*2 + USB-C*1 |
| Special Feature | Fast Charging |
| Battery Type | 1 Lithium Polymer battery (included) |
8. Warranty and Customer Support
Anker provides an 18-month stress-free warranty for the Anker 335 Power Bank (PowerCore 20K).
For any product-related inquiries, technical support, or warranty claims, please refer to the contact information provided in your welcome guide or visit the official Anker support website. Our friendly customer service team is ready to assist you.