For filmmakers and broadcast professionals who rely on rock-solid, high-capacity power solutions, the Rolux 300W B-Mount Battery delivers the performance, stability, and versatility required to support modern high-draw cinema equipment. Built for long shooting days, challenging environments, and cameras that demand consistent high-voltage output, this advanced power system stands out as a reliable companion for any professional workflow.
Engineered for Heavy-Duty, High-Voltage Demands
With a massive 302.4Wh capacity and 10,500mAh, the Rolux 300W B-Mount Battery provides extended runtime even for high-power cinema cameras and accessories. Its 28.8V/10A max. battery output ensures stable, efficient performance for devices that require higher voltage standards—perfect for today’s large-sensor cameras, high-power LEDs, and broadcast rigs.
The battery’s power architecture is designed to minimize voltage drop, maintain steady output during peak draw, and protect connected devices with intelligent cut-off and safety mechanisms.
Multi-Port Output for Professional Versatility
Whether you’re powering camera bodies, monitors, wireless systems, or auxiliary gear, the Rolux 300W B-Mount Battery includes a versatile set of output interfaces:
- 28.8V/10A Main Battery Output – Ideal for high-voltage cinema and broadcast cameras.
- D-Tap Output: 16.8V/3A (Max.) – Power your monitor, wireless transmitter, or accessories with ease.
- USB-A Output: 5V/2.1A – Quick charging for mobile devices or lightweight peripherals.
- USB-C Output with multiple power profiles:
- 5V/3A
- 9V/3A
- 12V/3A
- 15V/3A
- 20V/3.25A
This allows direct powering of laptops, tablets, and PD-compatible devices—perfect for DIT and mobile production setups.
This wide range of power options makes the Rolux 300W an all-in-one hub for your on-set gear.
Flexible Charging Options for Faster Turnaround
Time is crucial during production, and Rolux supports efficient charging to keep your workflow moving:
- USB-C Input: 65W Max. – Fast PD charging directly via USB-C, making it convenient when traveling or working on location.
- USB-C Charging Duration: ~6 Hours
- 4KBM Charger Duration: ~4 Hours – The fastest and most efficient way to top up your battery.
- Full Voltage: 33.6V | Cut-off Voltage: 22V – Ensures safe charge and discharge cycles while extending battery lifespan.
This flexibility gives you multiple ways to recharge, whether you’re in a studio or shooting remotely.
Durable Construction Built for Professional Use
Designed with a rugged exterior and precision engineering, the Rolux 300W B-Mount Battery is ready for demanding conditions:
- Dimensions: 138mm × 8mm × 9mm
- Weight: 1637g
The compact footprint ensures compatibility with standard B-mount systems, while the sturdy housing protects against shocks, drops, and environmental stress during production.
Why Choose the Rolux 300W B-Mount Battery?
- Exceptional 302.4Wh capacity for extended runtime
- High-voltage output supporting the latest pro cinema cameras
- Multi-port design powering multiple devices simultaneously
- Fast and flexible charging options, including 65W USB-C
- Rugged, dependable construction for field and studio use
- Ideal for cinematographers, broadcast crews, documentary teams, and lighting professionals
The Rolux 300W B-Mount Battery is more than a power source—it’s a dependable energy system tailored for modern filmmaking. Whether you’re running power-hungry cameras or a full accessory rig, this battery ensures consistent performance throughout your production day.