For large-scale film productions, documentaries, or extended shoots, reliable high-capacity batteries are a necessity. The Rolux Grand III 250Wh Gold Mount Battery (USB-C) is designed to provide filmmakers with longer runtime, higher power delivery, and the flexibility to support both cinema-grade gear and modern digital devices.
High-Capacity Performance
With a capacity of 250Wh (17,250mAh), the Grand III delivers significantly extended operating times compared to standard-size batteries. Its 220W maximum output ensures that even the most power-hungry cinema cameras, lights, and accessories can run efficiently without interruptions.
Professional-Grade Power Outputs
The Grand III is equipped with a wide range of connections, making it a central power hub for on-set workflows:
- BP Interface (14.4V, 15A Max): Reliable power delivery for digital cinema cameras.
- D-Tap (14.4V, 15A Max): Strong support for accessories such as lights, wireless systems, or external monitors.
- USB-A (5V, 3A Max): Convenient charging for smartphones, tablets, and smaller devices.
- USB-C Output (100W Max, PD2.0/PD3.0): A major highlight—capable of fast-charging laptops, cameras, and other USB-C powered devices.
- USB-C Input (65W Max): Enables quick recharging of the battery itself with modern USB-C PD chargers.
- DC1 Output (12V, 3A Max) and DC2 Output (8.4V, 3A Max): Designed for devices with specific voltage requirements.
This range of outputs allows professionals to simplify their setup and power multiple devices from a single, robust battery.
Extended Runtime with Portability
Despite its large capacity, the Grand III maintains a practical design with dimensions of 127.3 × 82 × 101.9mm and a weight of 1290g. This makes it manageable for both handheld and rigged camera setups, offering the perfect balance between extended runtime and portability.
Built with Samsung Lithium-Ion Cells
Inside the battery are Samsung 35E 18650 lithium-ion cells, chosen for their durability, efficiency, and safety. These cells provide consistent output and long service life, ensuring dependable performance for professional filmmakers.
Reliable in Any Environment
Engineered to perform across a wide temperature range of -10°C to 60°C, the Grand III ensures stable operation in diverse shooting conditions—from cold outdoor environments to hot studio setups. Its Gold Mount system guarantees a secure, professional connection at all times.
The USB-C Advantage
With 100W USB-C PD output, the Grand III stands out as a future-ready power solution. Filmmakers can not only run cinema gear but also charge modern laptops, tablets, and cameras directly, reducing the need for separate chargers and adapters. This makes it a versatile tool both on set and during travel.
Final Thoughts
The Rolux Grand III 250Wh Gold Mount Battery (USB-C) is the ultimate choice for filmmakers who need maximum power and flexibility. With its extended 250Wh capacity, multiple output options, and advanced USB-C fast-charging support, it ensures that professional productions run smoothly without compromise. Built with Samsung cells and designed for real-world reliability, this battery is a powerhouse that keeps up with the most demanding creative workflows.