When productions demand uninterrupted power for extended periods, battery capacity becomes just as critical as output stability. The Rolux Grand III 250Wh Gold Mount Battery (USB-C) is engineered for long-form shooting, studio environments, and high-accessory camera rigs where reliability and endurance are non-negotiable.
Designed for Long Runtime and Fewer Battery Changes
With a substantial 250Wh capacity (17,250mAh), the Grand III dramatically reduces downtime caused by frequent battery swaps. This makes it an excellent solution for live events, interviews, multicamera setups, and extended documentary shoots where continuous operation is essential.
Despite its high capacity, the battery maintains a balanced design with a manageable weight of 1290g, making it practical for both tripod-mounted and shoulder-mounted configurations.
Stable High-Current Output for Professional Cameras
The Grand III delivers consistent power through its Gold Mount interface at 14.4V and up to 15A, supporting modern cinema and broadcast cameras that draw higher current under load. The 220W maximum output ensures reliable performance even when multiple accessories are connected.
A 14.4V / 15A D-Tap output further expands compatibility, allowing seamless integration of monitors, wireless transmitters, on-board recorders, and other professional accessories.
Advanced USB-C with 100W Output
One of the standout features of the Rolux Grand III is its USB-C port with PD2.0 and PD3.0 support, offering up to 100W of output. This makes it suitable for powering laptops, video village equipment, and advanced USB-C devices directly from the battery.
The USB-C input supports up to 65W, providing flexible and efficient recharging options for busy production schedules.
Additional power outputs include:
- USB-A: 5V / 3A (Max.)
- DC1: 12V / 3A (Max.)
- DC2: 8.4V / 3A (Max.)
This wide range of outputs allows the Grand III to act as a centralized power source for complex setups.
Built with Premium Cells for Consistent Performance
At the core of the Grand III are Samsung 35E 18650 lithium-ion cells, known for their reliability, safety, and long cycle life. The battery is designed to perform in temperatures from -10°C to 60°C, ensuring dependable operation in challenging outdoor conditions as well as controlled studio environments.
Solid Construction for Professional Use
Measuring 127.3 × 82 × 101.9 mm, the Grand III is built to integrate cleanly with Gold Mount systems while maintaining durability and thermal efficiency. Its robust construction supports continuous professional use across demanding shooting schedules.
Best Suited For
The Rolux Grand III 250Wh Gold Mount Battery is ideal for:
- Long-duration film and broadcast productions
- High-accessory camera rigs
- Studio and multicamera environments
- Crews seeking fewer battery changes and consistent power
Final Thoughts
The Rolux Grand III 250Wh Gold Mount Battery (USB-C) delivers high-capacity energy storage, strong current output, and advanced USB-C power in a professional, production-ready design. It is a dependable solution for crews who prioritize runtime, stability, and flexibility in demanding workflows.