Griffin GC43998
Griffin 26800 mAh Power Bank User Manual
Model: GC43998
1. Introduction
This manual provides essential information for the safe and efficient operation of your Griffin 26800 mAh Power Bank. Please read this manual thoroughly before using the device and retain it for future reference.
The Griffin 26800 mAh Power Bank is a high-capacity portable charger designed to provide power to various compatible devices, including smartphones and tablets, via USB-C and Qualcomm 3.0 technologies.
2. Product Overview

Figure 2.1: Front view of the Griffin 26800 mAh Power Bank. This image shows the sleek black design of the power bank, highlighting its compact form factor.

Figure 2.2: Top view of the Griffin 26800 mAh Power Bank, showcasing the USB-C input/output port, USB-A output port, and the power button. LED indicators are visible to show battery status.

Figure 2.3: The Griffin 26800 mAh Power Bank simultaneously charging a smartphone and a tablet, demonstrating its multi-device charging capability.
Package Contents:
- Griffin 26800 mAh Power Bank (Model: GC43998)
- USB-C Charging Cable (may vary by region)
- User Manual
3. Setup and Initial Use
3.1 Charging the Power Bank
- Connect the provided USB-C cable to the USB-C port on the power bank.
- Connect the other end of the USB-C cable to a compatible USB wall adapter (not included) or a computer's USB port.
- The LED indicators on the power bank will illuminate to show the charging progress. All four LEDs will be solid when fully charged.
- For optimal charging speed, use a Qualcomm Quick Charge 3.0 compatible wall adapter.
3.2 Checking Battery Level
Press the power button once to check the current battery level. The LED indicators will light up to show the remaining charge:
- 1 LED: 0-25% charge
- 2 LEDs: 25-50% charge
- 3 LEDs: 50-75% charge
- 4 LEDs: 75-100% charge
4. Operating Instructions
4.1 Charging Your Devices
- Identify the correct charging cable for your device.
- Connect one end of your device's charging cable to the appropriate output port on the power bank (USB-A or USB-C).
- 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 once to initiate charging.
- You can charge multiple devices simultaneously using both output ports.
4.2 Qualcomm Quick Charge 3.0
The USB-A output port supports Qualcomm Quick Charge 3.0, allowing for faster charging of compatible devices. Ensure your device and charging cable support QC 3.0 for optimal performance.
4.3 USB-C Power Delivery
The USB-C port functions as both an input for charging the power bank and an output for charging compatible devices with USB Power Delivery (PD) capabilities. This allows for efficient charging of devices like laptops, tablets, and smartphones that support USB-C PD.
5. Maintenance and Care
- Keep the power bank dry. Do not expose it to moisture or liquids.
- Avoid extreme temperatures. Do not store the device in very hot or cold environments.
- Clean the power bank with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Store the power bank with at least 50% charge if not used for extended periods to preserve battery health.
- Do not disassemble, puncture, or modify the power bank. This can be dangerous and will void the warranty.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging. | Charging cable is faulty or not properly connected. Wall adapter is not working. | Check cable connections. Try a different USB-C cable or wall adapter. Ensure the wall adapter provides sufficient power. |
| Device not charging from power bank. | Power bank battery is depleted. Device charging cable is faulty. Power button not pressed. | Recharge the power bank. Try a different charging cable for your device. Press the power button once to activate output. |
| Slow charging. | Cable or device does not support fast charging. Multiple devices charging simultaneously. | Ensure your cable and device support Qualcomm Quick Charge 3.0 or USB-C PD. Charge one device at a time for maximum speed. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Griffin |
| Model Number | GC43998 |
| Battery Capacity | 26800 mAh |
| Battery Cell Composition | Lithium Ion |
| Color | Black |
| Connector Type | USB Type C (Input/Output), USB Type A (Output) |
| Voltage | 5 Volts (Standard USB) |
| Power Source | Battery Powered |
| Compatible Devices | Multi (Smartphones, Tablets, etc.) |
| Item Weight | 365 g |
| Package Dimensions | 47.06 x 46.23 x 45.43 cm |
| Manufacturer | Griffin Technology |
| Date First Available | 26 April 2019 |
8. Warranty and Support
8.1 Warranty Information
According to product specifications, this Griffin 26800 mAh Power Bank (Model: GC43998) is listed with No Warranty. Please refer to your point of purchase for any specific return or exchange policies.
8.2 Customer Support
For further assistance or inquiries, please contact Griffin Technology customer support through their official website or the retailer from whom you purchased the product.
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