1. Product Overview
The SIRUI H99 PRO is a high-performance handheld battery grip designed to provide reliable and extended power for various electronic devices, particularly photography lighting equipment. It features a robust 166W maximum output, large battery capacity, and versatile USB-C and D-TAP ports for wide compatibility.
Key Features:
- High Power Output: Max 166W, suitable for demanding equipment.
- Large Capacity: 26100mAh / 97Wh (3.7V) or 4350mAh (22.2V) automotive-grade power cells for extended use.
- Wide Compatibility: USB-C and D-TAP ports support various electronic devices and lights (e.g., SIRUI C150W/A100R, Zhiyun X100/CX100, Godox ML100Bi, ML60Bi).
- Multiple Protections: Overcharge, overheating, short-circuit, over-discharge, overpower, over-voltage, over-current protection, and automatic recovery.
- Fast Charging: Supports PD65W fast charging, fully charged in approximately 1 hour 50 minutes.
- Durable Construction: Aerometal body for strength and easy handling.
- Universal Mounting: Features 1/4"-20 and 3/8"-16 threaded holes for tripod or monopod attachment.
2. What's in the Box
Please check the contents of your package upon receipt to ensure all items are present and undamaged:
- 1 x SIRUI H99 PRO Handheld Battery Grip
- 1 x USB-C Charging Line (100cm)
- 1 x D-TAP to DC Line (25cm)
- 1 x Adapter
- 1 x Warranty Card
- 1 x Service Card
- 1 x Packaging Box
3. Setup and Charging
3.1 Initial Charge
Before first use, it is recommended to fully charge the SIRUI H99 PRO. Use the provided USB-C charging line and a compatible PD (Power Delivery) charger (up to 65W) for optimal charging speed. A full charge via PD65W takes approximately 1 hour and 50 minutes.
3.2 Battery Level Indicators
The SIRUI H99 PRO features four indicator lights on the top of the grip to show the remaining battery power. Each light typically represents approximately 25% of the battery capacity.
3.3 Connecting to Devices
The H99 PRO offers versatile connectivity options:
- USB-C Port: Use the included USB-C charging line to connect to devices that accept USB-C power input, such as laptops, cameras, phones, and compatible lights (e.g., SIRUI C150W/A100R, Zhiyun X100/CX100, Godox ML100Bi, ML60Bi). The USB-C port supports both input and output.
- D-TAP Port: Use the included D-TAP to DC line to connect to professional lighting equipment. Attention: The D-TAP port is only suitable for lights requiring above 22.2V.
- DC Output: The grip also provides DC output options for various devices.
3.4 Mounting
The SIRUI H99 PRO is equipped with 1/4"-20 and 3/8"-16 threaded holes at its base, allowing it to be securely mounted on tripods, monopods, or other compatible camera accessories for stable operation.
4. Operating Instructions
4.1 Powering On/Off and Usage
To power on the device, press and hold the power button located near the indicator lights. Connect your desired electronic device or light to the appropriate output port (USB-C or D-TAP). The H99 PRO will automatically begin supplying power. To power off, press and hold the power button again.
4.2 Working Time
The SIRUI H99 PRO provides extended working times for various power outputs:
- Approximately 60 minutes of operation at 100W output.
- Approximately 46 minutes of operation at 150W comprehensive output.
4.3 Versatile Applications
The H99 PRO is designed for a wide range of applications, making it an ideal companion for:
- Photography and Videography: Powering camera lights like SIRUI C150X, SIRUI A100R, Zhiyun X100/CX100, Godox ML100Bi, ML60Bi for run-and-gun shooting and outdoor sessions.
- Travel: Its compact design and high capacity make it suitable for long journeys, providing power on planes, trains, or subways.
- General Power Bank: Can be used to charge USB-C compatible laptops, cameras, and smartphones.
5. Maintenance
To ensure the longevity and optimal performance of your SIRUI H99 PRO Handheld Battery Grip, please follow these maintenance guidelines:
- Storage: Store the battery grip in a cool, dry place away from direct sunlight and extreme temperatures.
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Avoid using harsh chemicals or abrasive materials.
- Battery Care: For long-term storage, it is recommended to charge the battery to about 50-70% every three months to prevent deep discharge.
- Avoid Impacts: Protect the device from drops and impacts, which can damage internal components.
- Rubber Clamshell Cover: Ensure the rubber clamshell cover is properly seated to protect other accessories from scratches.
6. Troubleshooting
If you encounter issues with your SIRUI H99 PRO, please refer to the following common troubleshooting steps:
- Device not powering on: Ensure the battery grip is sufficiently charged. Check the indicator lights for battery level.
- Device not charging: Verify that the USB-C charging cable is securely connected to both the H99 PRO and the power adapter. Ensure the power adapter is functional and provides sufficient power (PD65W recommended).
- Connected device not receiving power:
- Check if the H99 PRO is powered on.
- Ensure the connecting cable (USB-C or D-TAP) is securely plugged into both the H99 PRO and the external device.
- Confirm the external device is compatible with the H99 PRO's output specifications.
- For D-TAP connections, remember it's suitable for lights above 22.2V.
- Overload Protection: If the H99 PRO stops outputting power unexpectedly, it might be due to overpower protection. Disconnect the device, wait a few moments, and then reconnect. The H99 PRO features automatic recovery after load removal.
- Unusual Heat: If the device becomes excessively hot during operation or charging, disconnect it immediately and contact customer support.
7. Specifications
Detailed technical specifications for the SIRUI H99 PRO Handheld Battery Grip:
| Feature | Specification |
|---|---|
| Product Name | H99 PRO Handheld Battery Grip |
| Max Output Power | 166W |
| Battery Capacity | 97Wh / 3.7V 26100mAh / 22.2V 4350mAh |
| 100W Output Working Time | 60 minutes |
| 150W Comprehensive Output Working Time | 46 minutes |
| USB-C Line Length | 100cm |
| D-tap-DC Line Length | 25cm |
| D-tap Output | 22.2V/7.5A (Max) |
| DC Plug Dimensions | 5.5*2.5*12mm / 0.2*0.1*0.5inch |
| USB-C Output | 20V/5A (Max), 5V/3A, 9V/3A, 12V/3A, 15V/3A |
| USB-C Input Voltage/Current | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A |
| Package Dimensions | 255*100*65mm / 10.0*3.9*2.6inch |
| Package Weight | 0.87kg / 1.92lb |
8. Warranty and Support
The SIRUI H99 PRO Handheld Battery Grip comes with a Warranty Card included in the package. Please refer to the Warranty Card for detailed information regarding warranty coverage, terms, and conditions.
For technical support, service inquiries, or any questions not covered in this manual, please contact your local SIRUI distributor or the retailer from whom you purchased the product. You may also refer to the Service Card for additional support information.
Keep your purchase receipt and warranty card in a safe place as proof of purchase may be required for warranty claims.





