Introduction
Thank you for choosing the FirstPower VB005 121Wh V-Mount Battery. This high-capacity, versatile power solution is designed to meet the demanding needs of professional video production and photography. Featuring multiple output ports and advanced safety features, it provides reliable power for a wide range of devices. Please read this manual carefully to ensure proper use and maintenance of your battery.
Product Features
- High Capacity: 121Wh (8400mAh, 14.4V) premium lithium-ion battery, providing extended power for long-duration projects.
- PD 60W USB-C Fast Charging: Supports bi-directional Power Delivery (PD) 60W fast charging via USB-C, significantly reducing charging time.
- Multiple Interfaces: Equipped with dual D-TAP, USB-C, USB-A, and BP ports for broad compatibility with various devices.
- Wide Application: Ideal for powering DSLR cameras, camcorders, monitors, LED lights, smartphones, tablets, and laptops.
- Intelligent Protection System: Built-in safeguards against overcharge, overvoltage, overcurrent, and short circuit to ensure safe and stable operation.
- Compact & Lightweight: Designed for portability with dimensions of 5.35 x 3.62 x 2.34 inches and a weight of 1.73 lbs, making it suitable for travel.


Setup
Charging the Battery
To charge your FirstPower VB005 battery, use a compatible USB-C PD (Power Delivery) charger. The battery supports bi-directional 60W PD fast charging. Connect the USB-C cable from the charger to the USB-C port on the battery. The battery's indicator lights will show the charging status.

Mounting the Battery
The VB005 battery features a standard V-mount interface for secure attachment to compatible camera plates, monitors, or lighting equipment. Align the battery with the V-mount plate and slide it down until it clicks into place. Ensure a firm connection before operation.

Operating Instructions
Powering Devices
Connect your devices to the appropriate output ports on the battery:
- D-TAP Ports: Use for devices requiring D-TAP power input, such as professional cameras, monitors, or LED lights.
- USB-C Port: Provides power to USB-C compatible devices like laptops, tablets, and smartphones.
- USB-A Port: Use for charging smartphones and other USB-A powered accessories.
- BP Interface: For direct connection to V-mount plates with BP power output.

Checking Battery Level
Press the power button located on the side of the battery. The five blue LED indicators will illuminate to show the remaining battery level. Each light typically represents approximately 20% of the battery's charge.
Maintenance
- Storage: Store the battery in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, charge the battery to approximately 50-70% capacity.
- Cleaning: Use a soft, dry cloth to clean the battery's exterior. Do not use harsh chemicals or abrasive materials.
- Charging Cycles: Lithium-ion batteries have a limited number of charge cycles. To prolong battery life, avoid fully discharging the battery frequently.
- Avoid Impact: Protect the battery from drops or strong impacts, which can damage internal components.
Troubleshooting
- Battery Not Charging: Ensure the USB-C cable and charger are properly connected and functioning. Verify the charger meets the PD 60W specification.
- Device Not Powering On: Check if the battery has sufficient charge. Ensure the device is correctly connected to the appropriate output port. Verify the device's power requirements are within the battery's output capabilities.
- Overheating: If the battery becomes excessively hot during use or charging, disconnect it immediately. Allow it to cool down in a well-ventilated area. The intelligent protection system may temporarily shut down output to prevent damage.
- Indicator Lights Not Working: If the battery does not respond to the power button press, it may be fully discharged or require service.
Specifications
| Attribute | Detail |
|---|---|
| Model | VB005 |
| Battery Capacity | 121Wh (8400mAh, 14.4V) |
| Battery Cell Composition | Lithium Ion |
| USB-C PD Input/Output | 60W Bi-directional |
| Output Ports | Dual D-TAP, USB-C, USB-A, BP Interface |
| Product Dimensions | 5.35 x 3.62 x 2.34 inches |
| Item Weight | 1.73 pounds |
| Recommended Uses | Indoor/Outdoor |

Warranty and Support
FirstPower V-mount V-lock battery provides a good backup power solution for photographers and filmmakers. If you have any questions or are unclear about the product, please feel free to contact us. Your satisfaction is our priority.