When it comes to powering high-end digital cinema systems and large-scale lighting setups, precision, reliability, and flexibility are key. The Rolux 28.8V 302Wh USB-C Port B-Mount Lithium Battery is engineered to meet the demands of professional cinematographers and production crews who require stable, high-capacity power for their advanced equipment. Combining a powerful 302Wh capacity with smart USB-C technology and multi-port versatility, this battery represents the next generation of professional power solutions.
High-Voltage Power for Demanding Devices
Delivering a rated voltage of 28.8V and a capacity of 10,500mAh (302Wh), this Rolux B-Mount battery is built to support power-intensive gear like ARRI ALEXA 35, ALEXA LF, and large LED lighting systems. With a maximum output of 10A, it ensures smooth, consistent energy delivery — maintaining stability even under continuous heavy loads.
Whether you’re filming a feature-length production or managing multiple lighting setups, this battery provides dependable power for extended shooting sessions without compromise.
Smart Multi-Port Functionality
The Rolux 28.8V 302Wh battery offers a comprehensive range of outputs, giving you unmatched flexibility on set:
- Main Output: 28.8V / 10A (Max) – ideal for cinema cameras and large LED panels.
- D-Tap Output: 16.8V / 3A (Max) – for monitors, transmitters, or smaller accessories.
- USB-A Output: 5V / 2.1A (Max) – convenient for smartphones and other low-power devices.
- USB-C Port: supports PD fast charging and output (5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A).
The USB-C input supports up to 65W charging, allowing you to recharge the battery in about 6 hours — faster and more efficiently than traditional charging methods.
Engineered for Modern B-Mount Systems
The B-Mount interface is the new standard for professional cinema power systems, offering greater stability and higher voltage than legacy mounts. The Rolux 28.8V 302Wh battery integrates seamlessly with ARRI’s B-Mount ecosystem, ensuring reliable performance, secure mounting, and intelligent communication between camera and power source.
Strong, Reliable, and Built to Last
With industrial-grade lithium-ion cells and an advanced battery management system (BMS), this Rolux battery ensures maximum efficiency and safety. It includes multiple protection layers against over-voltage, over-current, overheating, and short-circuiting, extending the battery’s lifespan and maintaining consistent output even in demanding environments.
Professional Design with Practical Durability
Despite its massive capacity, the battery maintains a compact and durable structure:
- Dimensions: 138 × 80 × 90 mm
- Weight: 1637 g
This balanced design ensures solid performance without unnecessary bulk, making it ideal for rig mounting or travel between production sites.
Reliable in All Conditions
Engineered to operate efficiently across a wide range of production environments, the battery delivers stable output even under intense workloads. Whether shooting on location or in a controlled studio environment, the Rolux 28.8V battery performs consistently to keep your creative flow uninterrupted.
Power You Can Depend On
The Rolux 28.8V 302Wh USB-C Port B-Mount Lithium Battery stands as a premium power solution for today’s high-end cinema technology. With intelligent multi-port functionality, fast PD charging, and robust B-Mount compatibility, it brings together performance, convenience, and reliability — everything modern professionals demand from their power systems.
In summary, this Rolux 28.8V 302Wh B-Mount battery is more than just a power source — it’s a professional-grade energy system designed for the most demanding productions. Offering stable high-voltage performance, flexible output options, and modern USB-C charging, it empowers creators to focus on what matters most: capturing their vision with confidence.