1. Introduction
The Anker Prime Power Bank (Model A1340) is a high-capacity portable charger designed to provide efficient and versatile power to multiple electronic devices. With its advanced features and compact design, it is suitable for various charging needs, including travel and professional use.

Figure 1: Anker Prime Power Bank (Model A1340)
2. Key Features
- 250W Multi-Device Fast Charging: Equipped with two USB-C ports and one USB-A port, delivering a combined output of up to 250W for rapid charging of multiple devices simultaneously.
- High Capacity: Features a 27,650mAh battery (99.54Wh), capable of charging a 13-inch MacBook Air (M2) approximately 1.28 times or an iPhone 14 approximately 4.67 times.
- TSA-Approved for Travel: The 99.54Wh capacity meets TSA requirements for carry-on baggage on airplanes.
- 170W Fast USB-C Recharge: The power bank can be fully recharged in approximately 37 minutes using dual USB-C ports.
- Smart App Control: Connects via Bluetooth to a smart application for features such as device location with sound alerts, real-time charging statistics, and optimized charging settings to extend battery lifespan.
- Wide Compatibility: Compatible with a broad range of electronic devices and professional equipment, including laptops, smartphones, tablets, and more.
- Digital Display: An integrated digital display provides real-time information on battery percentage, remaining charge time, and individual port output/input.
- ActiveShield 2.0 Protection: Monitors temperature over 3,000,000 times per day for real-time protection against overheating.
3. Package Contents
The Anker Prime Power Bank package includes:
- Anker Prime 27,650mAh Power Bank (250W)
- 2 ft (0.6 m) USB-C to USB-C charging cable
- Travel pouch
- Quick start guide
4. Setup
4.1 Initial Charging of the Power Bank
Before first use, fully charge your Anker Prime Power Bank. The power bank supports 170W fast USB-C recharging.
- Connect a USB-C charging cable to one of the power bank's USB-C input/output ports.
- Connect the other end of the cable to a compatible high-wattage USB-C power adapter (not included). For fastest charging, use both USB-C ports with appropriate adapters.
- The digital display will show the charging status and estimated time to full charge.
Note:
- If the power bank is fully depleted (screen inactive) and you are using a charging base, the base charging may automatically shut off. Recharge via a USB-C port first to restore base charging functionality.

Figure 2: Recharging the Power Bank
4.2 Connecting to the Anker App
The Anker Prime Power Bank can be controlled and monitored via the Anker app.
- Press the side button on the power bank to turn it on and enter the main screen.
- Use the side button to navigate to the Bluetooth settings page, and press it twice to enable Bluetooth broadcasting.
- Open the Anker app on your smartphone.
- Tap on the 'Add Device' button and select the device icon labeled 'Prime Power Bank'.
- Once the connection is successful, you can customize the device name.

Figure 3: Connecting to the Anker App
4.3 Locating Your Power Bank
Use the app's 'Find Device' feature to activate an audible signal from your power bank, making it easier to locate if misplaced.

Figure 4: Locating the Power Bank with the App
5. Operating Instructions
5.1 Charging Devices
The Anker Prime Power Bank features two USB-C ports and one USB-A port for charging your devices.
- Connect your device to the appropriate USB-C or USB-A port on the power bank using a compatible charging cable.
- The power bank will automatically begin charging your device. The digital display will show the output wattage for each active port.

Figure 5: Multi-Device Charging
5.2 Digital Display Information
The integrated digital display provides crucial real-time data:
- Battery Percentage: Shows the remaining charge of the power bank.
- Remaining Time: Estimates the time until the power bank is fully charged or depleted, depending on its state.
- Port Output/Input: Displays the wattage being drawn by connected devices or the wattage being received during recharging.

Figure 6: Monitoring Power Bank Stats on the App
5.3 Optimized Charging (via App)
The Anker app allows you to enable optimized charging to extend the battery lifespan of both the power bank and your connected devices.
- Access the 'Optimized Charging' settings within the Anker app.
- Configure charging schedules or limits to prevent overcharging and reduce battery degradation.

Figure 7: Smart Charging for Extended Battery Lifespan
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the power bank. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To maintain optimal battery health, fully charge and discharge the power bank at least once every three months if not in regular use.
7. Troubleshooting
7.1 Power Bank Not Charging
- Ensure the charging cable is securely connected to both the power bank and the power adapter.
- Verify that the power adapter is functioning correctly and is compatible with the power bank's input requirements.
- If using a charging base and the power bank is fully depleted (screen inactive), recharge via a USB-C port first to restore base charging functionality.
7.2 Devices Not Charging
- Check if the power bank has sufficient charge.
- Ensure the charging cable connecting the device to the power bank is functional and correctly inserted.
- Verify that your device is compatible with the power bank's output specifications.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 6.37 x 2.24 x 1.96 inches |
| Item Weight | 3.01 pounds |
| Item Model Number | A1340 |
| Batteries | 1 Lithium Polymer batteries required (included) |
| Connector Type | USB-C*2 + USB-A*1 |
| Brand | Anker |
| Battery Capacity | 27650 Milliamp Hours (99.54Wh) |
| Color | Black |
| Special Feature | Digital Display, Fast Charging |
9. Safety Information
- Do not expose the power bank to extreme temperatures, direct sunlight, or fire.
- Avoid dropping or subjecting the power bank to strong impacts.
- Do not disassemble, repair, or modify the device.
- Keep out of reach of children.
- Dispose of the power bank according to local regulations.
- Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
10. Warranty and Customer Support
The Anker Prime Power Bank comes with a worry-free 24-month warranty. For any inquiries or support, please contact Anker customer service.
Visit the Anker Store for more information and support resources.
11. Product Videos
27,650 mAh! Multi-Device Charging Power Bank + Base
Video 1: An overview of the Anker Prime Power Bank's multi-device charging capabilities and its charging base.
Anker Prime Charger: Power Your Life & Survive Anything?
Video 2: Demonstrates the Anker Prime Power Bank's utility in various scenarios, including powering a heated camping seat during cold weather.
WATCH BEFORE YOU BUY Anker Prime Power Bank (250W)
Video 3: A detailed review highlighting the Anker Prime Power Bank's features, including its display, ports, and charging capabilities for multiple devices.
Anker Power Supply: This Thing Crushes Everything!
Video 4: Showcases the power bank's ability to handle various demanding devices, including a Starlink satellite system and cameras, emphasizing its fast recharging capabilities.





