1. Introduction
Thank you for choosing the ULANZI G8-7 Battery Cover. This accessory is specifically designed for the GoPro Hero 8 Black camera, providing convenient access to the USB Type-C port for charging and external microphone adapters without needing to remove the entire battery door. This manual provides detailed instructions for installation, operation, and important considerations for optimal use.
2. Product Features
- USB Port Access: The battery side door allows access to the USB Type-C port while the battery and SD card remain securely covered.
- Continuous Charging: Features a Type-C charging port, enabling the use of a power bank for extended recording sessions, ideal for time-lapse or long videos.
- Microphone Adapter Connection: Provides a connection point for a microphone adapter, facilitating the use of external microphones for enhanced audio quality, perfect for vlogging.
- Durable Material: Constructed from CNC Aluminum Alloy, offering a lightweight yet durable design that is resistant to breakage and effectively protects the camera's side from sharp objects.
- Internal Protection: Includes a built-in sponge for shock and pressure reduction, safeguarding both the battery and camera from potential damage.
Note: This battery cover is NOT waterproof. Using it in wet conditions may damage your camera.
3. Setup and Installation
Follow these steps to install the ULANZI G8-7 Battery Cover on your GoPro Hero 8 Black camera:
- Remove Original Battery Cover: Carefully open the original battery door of your GoPro Hero 8 Black. Gently slide it off its hinge to detach it.
- Prepare ULANZI G8-7 Cover: Take the ULANZI G8-7 Battery Cover. Observe its design, noting the integrated Type-C port opening.
- Attach New Cover: Align the hinge of the ULANZI G8-7 cover with the corresponding slot on your GoPro Hero 8 Black. Push it firmly into place until it snaps securely. Ensure the cover is properly seated and can open and close smoothly.

Figure 3.1: Removing the original GoPro Hero 8 Black battery cover.

Figure 3.2: Comparison of original and ULANZI G8-7 battery covers.

Figure 3.3: ULANZI G8-7 Battery Cover with Type-C port opening.

Figure 3.4: Installing the ULANZI G8-7 Battery Cover.
Video 3.1: Official ULANZI guide demonstrating the installation of the G8-7 Battery Cover on a GoPro Hero 8 Black and connecting a Type-C cable.
4. Operating Instructions
Once the ULANZI G8-7 Battery Cover is installed, you can utilize its features:
- Charging: Insert a USB Type-C cable into the exposed port on the battery cover. This allows you to charge your GoPro Hero 8 Black or power it with a power bank for extended use without opening the battery compartment.
- External Microphone: Connect a compatible microphone adapter to the Type-C port to use an external microphone for improved audio recording.

Figure 4.1: GoPro Hero 8 Black with ULANZI G8-7 cover and connected USB-C cable.

Figure 4.2: Close-up of Type-C port with cable insertion.
5. Maintenance
- Keep the battery cover clean from dust and debris. Use a soft, dry cloth for cleaning.
- Avoid exposing the cover to harsh chemicals or abrasive materials.
- Regularly check the hinge mechanism for any signs of wear or damage.
- Store the cover in a dry place when not in use.
6. Troubleshooting
- Difficulty Installing/Removing: The cover is designed for a snug fit. Ensure proper alignment with the hinge pins. If it feels excessively tight, apply gentle, even pressure. Avoid forcing it to prevent damage.
- Loose Fit: If the cover feels loose after installation, double-check that it is fully snapped into place on both hinge pins.
- Charging Issues: Ensure the USB Type-C cable is fully inserted into the port on the cover and connected to a working power source. Verify that your GoPro Hero 8 Black is powered on or in a charging state.
- Water Resistance Concerns: As noted, this battery cover is NOT waterproof. If you require water protection for your GoPro, you must use the original, fully sealed battery door or a waterproof housing. The open Type-C port on this cover will compromise the camera's water resistance.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | ULANZI |
| Model Number | G8-7 |
| Compatible Devices | GoPro Hero 8 Black Cameras |
| Material | CNC Aluminum Alloy |
| Color | Black |
| Mounting Type | Door Mount |
| Special Feature | Removable, Type-C Charging Port Access |
| Water Resistance Level | Not Waterproof |
| Item Dimensions | 2.36 x 2.36 x 1.57 inches |
8. Warranty and Support
For warranty information and customer support, please refer to the official ULANZI website or contact your retailer. Keep your purchase receipt as proof of purchase.