When it comes to powering modern high-end cinema cameras and production equipment, stability, endurance, and efficiency are non-negotiable. The Rolux 300W B-Mount Battery is designed precisely for professionals who demand reliable, intelligent power management in the field or studio. With advanced technology, high-capacity cells, and versatile connectivity, this battery is a powerhouse that supports even the most energy-hungry devices.
⚡ High Capacity for Extended Shooting
With a capacity of 10,500mAh (302.4Wh), the Rolux 300W B-Mount Battery delivers exceptional runtime, making it ideal for long production days and power-intensive setups. Whether you’re running large cinema cameras, monitors, or lights, it ensures consistent performance without frequent swaps.
Its 28.8V output provides stable, regulated power, supporting up to 10A maximum output, perfect for heavy-duty broadcast and film equipment.
🔌 Versatile Output Options
The Rolux 300W B-Mount Battery goes beyond standard powering solutions with its multiple output ports:
- D-Tap Output: 16.8V/3A (Max), ideal for powering accessories such as monitors, wireless transmitters, and follow focus systems.
- USB-A Output: 5V/2.1A (Max) for smartphones and small devices.
- USB-C Input/Output: Supports 65W Power Delivery for both fast charging and device powering — compatible with laptops, tablets, and cameras using PD standards.
This smart combination of outputs allows you to streamline your setup and reduce the need for multiple power sources.
⚙️ Fast and Efficient Charging
Time is critical in production, and Rolux ensures you stay efficient.
- USB-C Charging Duration: ~6 hours for a full charge.
- 4KBM Charger Charging Duration: ~4 hours for a complete cycle.
With support for USB-C PD charging, you can conveniently recharge via compatible adapters or portable power stations, making it travel- and field-friendly.
🔋 Advanced Battery Protection and Design
The Rolux 300W B-Mount Battery is engineered with intelligent protection circuits, safeguarding against over-voltage, over-current, and short circuits. It automatically manages cut-off voltage at 22V to protect both the battery and your gear, while the fully charged voltage reaches 33.6V, ensuring consistent output throughout its use cycle.
Built with precision, it weighs 1637g, maintaining a balance between power density and portability.
🧩 Professional Build for Modern Systems
Designed for the B-Mount system, the new industry standard for 24V equipment, this battery integrates seamlessly with cameras from ARRI, RED, and other high-end cinema systems. Its durable construction and smart power management make it a reliable partner for professional cinematographers.
🏆 Why Choose the Rolux 300W B-Mount Battery?
- Massive 302.4Wh capacity for extended shoots
- Multi-interface outputs (D-Tap, USB-A, USB-C) for versatility
- Fast-charging capability via USB-C PD or 4KBM charger
- High-performance 28.8V output ideal for professional cinema gear
- Durable and intelligent design for reliable, long-term use
The Rolux 300W B-Mount Battery redefines what professionals can expect from a power solution. It’s not just a battery — it’s a compact, intelligent power system built to keep your creativity flowing uninterrupted.