In the world of professional cinematography, power reliability is just as critical as camera performance. High-end cinema cameras and accessories require strong, stable energy delivery, and the Rolux 300W B Mount Battery is built precisely for that purpose. With its large capacity and versatile outputs, this battery is the ideal partner for productions that demand long runtime and efficiency.
Exceptional Capacity and Output
At the core of this powerhouse is a 302.4Wh (10,500mAh) capacity, ensuring extended shooting sessions without frequent swaps. With a maximum output of 28.8V/10A, it delivers the consistent, high-voltage performance required by today’s power-hungry cinema cameras, lights, and professional rigs.
Multiple Output Options for Versatility
The Rolux 300W B Mount Battery is not just about raw power—it’s designed to support a full ecosystem of devices on set:
- D-Tap Output (16.8V/3A Max): Perfect for monitors, wireless transmitters, and accessories.
- USB-A Output (5V/2.1A Max): Reliable charging for mobile devices and smaller equipment.
- USB-C Output: A true highlight, offering fast and flexible charging profiles—
- 5V/3A
- 9V/3A
- 12V/3A
- 15V/3A
- 20V/3.25A
This wide range ensures compatibility with laptops, tablets, cameras, and other USB-C powered tools, making it more than just a camera battery—it’s a universal power solution.
Fast and Convenient Charging
Time is critical on professional sets, and this battery is designed with efficiency in mind:
- USB-C Charging: Up to 65W, reaching full capacity in about 6 hours.
- 4KBM Charger: Dedicated fast-charging option that reduces the charge time to just 4 hours.
This flexibility ensures that no matter your workflow, you’ll spend more time shooting and less time waiting.
Intelligent Power Design
Built with a full voltage of 33.6V and a cut-off voltage of 22V, the Rolux 300W B Mount Battery ensures safe operation while protecting your equipment. This intelligent design maximizes battery life and delivers stable energy across demanding conditions.
Built for Professionals
With dimensions of 138mm × 80mm × 90mm and a weight of 1637g, the Rolux 300W B Mount Battery is compact enough for on-set use while still offering industrial-grade capacity. Its robust build and high efficiency make it an essential choice for large productions, documentaries, and long-form shoots.
Final Thoughts
The Rolux 300W B Mount Battery represents a new standard in professional filmmaking power solutions. With its massive capacity, versatile output options, and fast-charging capability, it is engineered to keep up with the demands of modern cinema equipment. Whether you’re powering a flagship digital cinema camera or running multiple accessories, this battery delivers the performance and reliability you need to stay focused on the creative process.