For high-end cinema cameras and production equipment that demand serious power, the Rolux 300W B-Mount Battery delivers unmatched performance, stability, and efficiency. Designed to meet the needs of professional filmmakers using modern 24V systems, this battery offers exceptional output, multiple connection options, and intelligent USB-C integration — making it the ultimate solution for powering today’s digital cinema workflows.
⚡ Professional-Grade Power Output
With a capacity of 10,500mAh (302.4Wh) and a battery output of 28.8V / 10A (Max), the Rolux 300W B-Mount Battery ensures consistent and powerful performance for demanding cameras such as ARRI, RED, and other high-voltage systems. The maximum 300W output provides steady current delivery, preventing voltage drops and ensuring smooth operation during intensive shooting sessions.
🔌 Multiple Output Interfaces for Full Connectivity
Engineered for versatility, this battery comes with multiple output options, allowing filmmakers to power cameras and accessories simultaneously:
- Main 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 (PD 65W Max)
The advanced USB-C PD port supports both input and output, giving you the flexibility to charge the battery directly via USB-C or power external devices such as laptops, monitors, or PD-compatible cameras.
🔋 Fast and Efficient Charging
The Rolux 300W B-Mount Battery is designed for speed and convenience. Using the USB-C input, the battery fully charges in about 6 hours. For even faster turnaround, the 4KBM charger reduces the full charge time to just 4 hours, ensuring you can stay powered and productive with minimal downtime.
💪 Built for High-Performance Workflows
This battery features a nominal voltage of 28.8V and a full charge voltage of 33.6V, optimized for professional-grade equipment requiring stable high-voltage input. Its cut-off voltage of 22V ensures safe operation and protects your devices from undervoltage damage. Whether you’re running powerful LED lights, advanced cinema cameras, or multi-accessory rigs, the Rolux 300W B-Mount delivers clean, regulated energy every time.
🧊 Rugged Construction, Reliable Design
Despite its impressive capacity, the Rolux 300W remains compact and practical, measuring 138mm × 80mm × 90mm and weighing 1.64kg. Its durable housing is built to withstand the rigors of professional filmmaking — from studio productions to extreme outdoor environments — ensuring dependable performance wherever you shoot.
✅ Why Choose the Rolux 300W B-Mount Battery
- 302.4Wh high-capacity power for extended operation
- 28.8V / 10A high-voltage output for professional cameras
- USB-C PD 65W for charging laptops and mobile devices
- Fast charging via 4KBM charger (4 hours full charge)
- Durable build designed for cinema-grade reliability
🛒 Free Shipping & Guaranteed Quality
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All Rolux batteries are backed by Satisfaction Guaranteed, No Hassle Refunds, and Secure Payments, giving professionals complete confidence in every purchase.