When performance and longevity are non-negotiable, the Rolux 300W B Mount Battery delivers an exceptional power solution built for demanding professional cinema and broadcasting workflows. With advanced power output, intelligent charging options, and versatile connectivity, this battery is more than a power source—it’s a powerhouse of efficiency.
High-Capacity, High-Performance
At the heart of the Rolux 300W B Mount Battery is a 302.4Wh capacity, driven by a 10,500mAh cell pack. Designed to provide sustained, reliable energy for high-drain equipment, it operates at 28.8V with a maximum output of 10A. Whether you’re powering a professional cinema camera, a field monitor, or lighting gear, this battery keeps your rig running longer without compromise.
Intelligent Voltage Architecture
Engineered for stability and safety, the battery operates with a full voltage of 33.6V and a cut-off threshold at 22V. This design prevents over-discharge, ensuring longer cell life and consistent performance over time—even during intensive shoots.
Multi-Port Flexibility
One of the standout features of this battery is its extensive range of outputs. Here’s what you get:
- D-Tap Output: 16.8V/3A for accessories like wireless transmitters, lights, or monitors.
- USB-A Output: 5V/2.1A, ideal for charging smartphones or other USB-powered gear.
- USB-C Output: With power profiles ranging from 5V/3A to 20V/3.25A, this port supports everything from camera-top accessories to laptops.
It also supports 65W USB-C input, making charging via modern USB-C adapters possible—great for fast and universal rechargeability in the field.
Optimized Charging Options
Flexibility continues with charging times:
- Via USB-C: Fully charges in 6 hours, perfect for overnight or travel charging.
- With a 4KBM Charger: You’ll get a full charge in just 4 hours, an impressive feat for such a high-capacity battery.
This dual-charging capability means you’re never left waiting, whether on location or in the studio.
Built for Real-World Demands
- Weight: At 1,637g, it’s rugged yet manageable for mobile rigs.
- Dimensions: Slim at 138mm x 8mm x 9mm, it integrates seamlessly with your camera system.
- Mount Type: B Mount – the emerging standard for high-voltage cinema gear, offering secure, high-current connections.
Final Thoughts
The Rolux 300W B Mount Battery is an uncompromising solution for professionals seeking reliability, high voltage output, and charging versatility. Its blend of performance, safety, and smart design makes it ideal for cinema-grade cameras and advanced field equipment.