For demanding film and broadcast productions, reliability and endurance are everything. The Rolux 300W B Mount Battery is engineered to deliver exceptional power capacity, intelligent charging options, and rugged durability — making it the ideal choice for high-end cinema cameras, lighting systems, and professional broadcast equipment.
Unmatched Power for Professional Gear
With an impressive capacity of 302.4Wh (10,500mAh), this battery ensures extended shooting sessions without the need for frequent swaps. Its 28.8V output provides stable, high-efficiency power to advanced cinema systems and power-hungry accessories, while maintaining consistent performance throughout the discharge cycle.
High Output and Multi-Functional Ports
The Rolux 300W B Mount Battery supports multiple output options for maximum flexibility on set:
- Battery Output: 28.8V / 10A (Max)
- D-Tap Output: 16.8V / 3A (Max)
- USB-A Output: 5V / 2.1A (Max)
- USB-C Output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
Whether you’re powering a camera, charging accessories, or running external monitors, this battery delivers reliable and simultaneous output for all your devices.
Fast and Smart Charging Options
The USB-C PD (Power Delivery) system allows both charging and discharging, making the Rolux 300W B Mount Battery more versatile than ever. You can recharge it via USB-C (up to 65W) in about 6 hours, or use the Rolux 4KBM Charger to fully charge in just 4 hours. This flexibility ensures minimal downtime and maximum productivity during intense production days.
Built for Endurance and Safety
Featuring a cut-off voltage of 22V and a full power level of 33.6V, this battery ensures safe, efficient power management with advanced protection against overcharging, overcurrent, and overheating. Built with precision engineering and robust materials, it can withstand the rigors of professional filming environments.
Compact and Durable Design
Despite its high power capacity, the Rolux 300W B Mount Battery maintains a sleek profile at 138mm × 80mm × 90mm, and a solid weight of 1637g, ensuring a balanced fit on your rig without unnecessary bulk. Its durable casing is designed for long-term use, whether on set, on location, or in the field.
Technical Specifications
- Capacity: 10,500mAh / 302.4Wh
- Battery Output: 28.8V / 10A (Max)
- D-Tap Output: 16.8V / 3A (Max)
- USB-A Output: 5V / 2.1A (Max)
- USB-C Input: 65W (Max)
- USB-C Output: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A
- USB-C Charging Duration: 6 Hours
- 4KBM Charger Duration: 4 Hours
- Full Voltage: 33.6V
- Cut-off Voltage: 22V
- Dimensions: 138 × 80 × 90 mm
- Weight: 1637g
Why Choose Rolux 300W B Mount Battery
The Rolux 300W B Mount Battery is a powerhouse built for professionals who need long-lasting, high-voltage performance. With multiple output options, fast charging, and advanced protection, it’s perfectly suited for modern cinema cameras like ARRI, RED, and other B-mount systems.
Reliable, efficient, and future-ready — this battery ensures you’ll never run out of power when it matters most.
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