1. Introduction
The Mophie powerstation prime20 is a high-capacity portable power bank designed to keep your devices charged on the go. Featuring a 20,000mAh internal battery, 18W USB-C PD fast charging, and the ability to charge up to three devices simultaneously, it provides reliable power for your digital life. This manual will guide you through the setup, operation, and maintenance of your powerstation prime20.

Image: The Mophie powerstation prime20, a sleek black portable power bank with USB-C and USB-A ports visible at the top, and LED indicator lights on the side.
2. What's in the Box
Verify that all items are present in your package:
- Mophie powerstation prime20 Portable Power Bank
- USB-C to USB-C Cable (1M)
- Quick Start Guide (not included in this manual)

Image: The Mophie powerstation prime20 shown alongside its included USB-C to USB-C charging cable, coiled neatly.
3. Setup and Initial Charging
Before first use, it is recommended to fully charge your powerstation prime20. This ensures optimal battery performance and longevity.
- Connect the included USB-C cable to the USB-C PD input/output port on the powerstation prime20.
- Connect the other end of the USB-C cable to a compatible USB-C wall adapter (not included).
- Plug the wall adapter into a power outlet.
- The LED power indicator lights on the side of the power bank will illuminate to show the charging progress. All four lights will be solid when fully charged.

Image: A close-up view of the Mophie powerstation prime20 showing the four LED indicator lights and the power button. The lights indicate the current battery level.
LED Power Indicator:
- Four solid lights: 75-100% charged
- Three solid lights: 50-75% charged
- Two solid lights: 25-50% charged
- One solid light: 0-25% charged
- Flashing lights: Currently charging
4. Operating Instructions
Charging Your Devices
The powerstation prime20 can charge a wide range of USB-C and USB-A compatible devices.
- Connect your device's charging cable to the appropriate port (USB-C or USB-A) on the powerstation prime20.
- Connect the other end of the cable to your device.
- The power bank will automatically begin charging your device. If not, press the power button on the side of the power bank to initiate charging.

Image: A person holding the Mophie powerstation prime20 connected to a smartphone, demonstrating portable charging. Text overlay indicates "50% charge in 30 mins".
Fast Charging (USB-C PD)
The USB-C PD (Power Delivery) port offers 18W fast charging, capable of charging compatible devices up to 50% in approximately 30 minutes.
- Use a USB-C to USB-C cable for optimal fast charging with compatible devices.
- Ensure your device supports USB-C Power Delivery for fast charging benefits.
Multi-Device Charging
You can charge up to three devices simultaneously using one USB-C port and two USB-A ports. The power bank provides a combined output of up to 15W when all ports are in use.

Image: The Mophie powerstation prime20 connected to and simultaneously charging a tablet, a smartphone, and wireless earbuds, illustrating its multi-device charging capability.

Image: A top-down view of the Mophie powerstation prime20's ports (one USB-C, two USB-A) with lines indicating a shared 15W output across all three ports.
5. Maintenance
Proper care will extend the life of your powerstation prime20.
- Cleaning: Use a soft, lint-free cloth to wipe the surface of 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 Health: For optimal battery health, fully charge and discharge the power bank at least once every three months if not in regular use.
- Avoid Drops: Do not drop or subject the power bank to strong impacts, as this can damage internal components.
6. Troubleshooting
If you encounter issues with your powerstation prime20, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | Charging cable or adapter faulty; power bank fully discharged; power outlet issue. | Try a different USB-C cable and wall adapter. Ensure the power outlet is working. Allow a few minutes for the power bank to respond if fully discharged. |
| Device not charging from power bank | Power bank low on charge; cable faulty; device not compatible; power button not pressed. | Recharge the power bank. Try a different charging cable. Ensure your device is compatible with USB charging. Press the power button on the power bank. |
| Slow charging | Cable not supporting fast charging; device not supporting fast charging; multiple devices charging. | Use a high-quality USB-C PD compatible cable. Ensure your device supports fast charging. Charging multiple devices simultaneously will share the output, potentially reducing individual charging speeds. |
| LED indicators not working | Power bank completely drained; internal malfunction. | Attempt to charge the power bank for an extended period. If still unresponsive, contact customer support. |
7. Specifications
| Feature | Detail |
|---|---|
| Model | powerstation prime20 |
| Battery Capacity | 20,000 mAh |
| USB-C PD Output | 18W |
| USB-A Output | Up to 15W shared |
| Total Shared Output | 15W (when all ports are used) |
| Dimensions | 5.7 x 1 x 2.7 inches |
| Item Weight | 14.8 ounces |
| Connector Type | USB Type C, USB Type A |
| Special Features | LED Indicator Lights, Fast Charging |
| Material | Up to 50% post-consumer recycled plastics |
8. Warranty and Support
Mophie products are designed for durability and performance. For information regarding your product's warranty, please refer to the warranty card included with your purchase or visit the official mophie website.
For technical support, product registration, or frequently asked questions, please visit the mophie support page or contact their customer service directly. Contact information can typically be found on the mophie website or in your product packaging.
Online Resources:
- Official mophie Website: www.mophie.com
- Mophie Store on Amazon: Amazon.com/mophie





