Introduction
The Griffin Reserve Power Bank is a compact and portable charging solution designed to provide on-the-go power for your USB-charged devices. With a 5,200 mAh capacity, it can recharge smartphones, tablets, wearables, and other compatible electronics. This manual provides essential information for the safe and effective use of your power bank.
What's in the Box
- Griffin Reserve Power Bank (5,200 mAh)
- Micro-USB Charge Cable
Setup
Before first use, it is recommended to fully charge your Griffin Reserve Power Bank. The device comes pre-charged and ready to use, but a full charge ensures optimal performance.
Charging the Power Bank
- Locate the Micro-USB input port on the power bank.
- Connect the included Micro-USB charge cable to the input port on the power bank.
- Connect the other end of the USB cable to a USB wall charger, car charger, or a computer's USB port.
- The LED charge gauge indicators on the power bank will illuminate to show charging progress. All four LEDs will be solid when fully charged.

Image: The Griffin Reserve Power Bank displaying its Micro-USB input port and standard USB output port, along with the power button.
Operating Instructions
Charging Your Device
- Connect your device's charging cable (USB-A end) to the USB output port on the power bank.
- Connect the other end of your device's charging cable to your smartphone, tablet, or other USB-charged device.
- The power bank will automatically begin charging your device. If not, press the power button on the power bank to initiate charging.
- The power bank delivers 10 watts of power (5 volts at 2.1 amps) for efficient charging.
Checking Battery Level
Press the power button on the side of the power bank to activate the LED charge gauge. The number of illuminated LEDs indicates the remaining battery capacity:
- Four LEDs: 75-100% charged
- Three LEDs: 50-75% charged
- Two LEDs: 25-50% charged
- One LED: 0-25% charged (recharge soon)

Image: The Griffin Reserve Power Bank showing its four LED indicators, which display the current charge level.
Maintenance
- Keep the power bank dry and away from moisture.
- Do not expose to extreme temperatures (hot or cold).
- Clean the surface with a soft, dry cloth. Do not use harsh chemicals or abrasive materials.
- Store in a cool, dry place when not in use for extended periods.
- Avoid dropping or subjecting the power bank to strong impacts.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | Cable not connected properly; faulty cable; power source issue; damaged input port. | Ensure cable is securely connected. Try a different Micro-USB cable. Try a different USB wall adapter or computer port. If the input port appears loose or damaged, contact customer support. |
| Device not charging from power bank | Power bank is depleted; cable not connected properly; faulty device cable; power bank not activated. | Recharge the power bank. Ensure your device's charging cable is securely connected. Try a different charging cable for your device. Press the power button on the power bank to activate output. |
| LED indicators not working | Power bank is completely depleted; internal malfunction. | Attempt to charge the power bank for several hours. If LEDs still do not illuminate, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | GC43394 |
| Battery Type | Rechargeable Lithium-Ion |
| Battery Capacity | 5,200 mAh |
| Power Output | 10 watts (5 volts at 2.1 amps) |
| Input Connector | Micro USB |
| Output Connector | USB-A |
| Product Dimensions | 6.97 x 3.46 x 0.94 inches |
| Item Weight | 3.17 ounces |
Warranty Information
The Griffin Reserve Power Bank comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and workmanship. Please retain your proof of purchase for warranty claims. The warranty does not cover damage caused by misuse, accident, unauthorized modification, or normal wear and tear.
Customer Support
For technical assistance, warranty claims, or any questions regarding your Griffin Reserve Power Bank, please visit the official Griffin website or contact their customer support. You can find more information and support resources by visiting the Griffin Store on Amazon.

