For professionals in the broadcast and cinema industries, power is more than a necessity—it’s the heartbeat of the entire production. The Rolux 300W B Mount Battery delivers serious capacity, cutting-edge output options, and intelligent design tailored for high-draw devices and intensive field use. Built for the rigors of professional production, this battery ensures you stay powered, productive, and always ready to roll.
Massive Capacity, Serious Endurance
With a 302.4Wh capacity and 10,500mAh rating, the Rolux 300W B Mount Battery is engineered for all-day shooting. Whether you’re powering high-end cinema cameras, broadcast transmitters, or lighting gear, it delivers consistent and stable output, minimizing the need for frequent battery changes on set.
High Voltage Output for High-Powered Gear
Delivering 28.8V at up to 10A, this battery is ideal for devices that demand high voltage and sustained current. It ensures reliable performance with power-hungry equipment such as ARRI, RED, or similar high-performance production gear.
Versatile Outputs for Multi-Device Power
Designed with professionals in mind, the battery features a range of outputs to accommodate multiple devices:
- D-Tap Output: 16.8V / 3A – ideal for monitors, wireless systems, or LED lights
- USB-A Output: 5V / 2.1A – perfect for accessories, smartphones, or audio recorders
- USB-C Output (PD): 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A – supports fast charging for laptops, tablets, or mirrorless cameras
Whether you’re on set or in transit, this multi-port flexibility reduces the need for extra power bricks and chargers.
Flexible Charging: Fast and Convenient
Charging the Rolux 300W B Mount Battery is both fast and convenient. It supports:
- USB-C Input (PD 65W Max) – recharge via compatible PD wall adapters or power banks in around 6 hours
- 4KBM Charger – rapid recharge in approximately 4 hours, perfect for turning over batteries quickly between shoots
This dual charging capability means you’re never tied to one power source, giving you maximum flexibility in the field or studio.
Smart Protection & Durable Design
The battery is built with professional-grade protection features, including over-voltage, over-current, and thermal safeguards. With a cut-off voltage of 22V and full charge at 33.6V, it ensures the health and longevity of your devices.
And despite its serious capacity, the battery remains portable with a manageable weight of 1637g and dimensions of 138mm x 80mm x 90mm—robust yet compact enough for on-rig mounting.
Final Thoughts
The Rolux 300W B Mount Battery is a powerhouse solution for professionals who demand uncompromising performance. With its high voltage output, rapid charging, and versatile ports, it stands out as an essential piece of gear for modern video production. Whether you’re on set for a feature film or streaming a live broadcast, this battery ensures your gear stays powered—and your creativity uninterrupted.