When your project demands maximum runtime and maximum reliability, the Rolux Grand III 250Wh Gold Mount Battery (USB-C) rises to the occasion. Built for large-scale productions and power-hungry equipment, this high-capacity battery combines professional-grade performance with modern USB-C fast charging to deliver unstoppable power—anywhere your shoot takes you.
Ultimate Capacity, Built for Endurance
With a massive 250Wh (17250mAh) capacity and 14.4V rated voltage, the Grand III is tailored for long shooting days, heavy rig setups, and demanding cinema cameras. It provides a 220W max output, ensuring stable, uninterrupted energy for your most critical gear.
Whether you’re powering high-draw LED panels, broadcast cameras, or multi-accessory systems, this battery has the stamina to keep your production running smoothly.
Industrial-Grade Samsung Cells
Powered by Samsung 35E 18650 lithium-ion cells, the Grand III offers outstanding thermal performance, energy density, and longevity. These premium cells ensure that even in the most rugged conditions—from hot summer fields to freezing dawn shoots—you get consistent power delivery.
Next-Level Connectivity
The Grand III doesn’t just offer capacity—it offers versatility. With multiple output options and modern charging support, it meets the diverse needs of today’s creators:
- BP Output: 14.4V / 15A – reliable core power for cameras and VFX systems
- D-TAP Output: 14.4V / 15A – ideal for monitors, lights, or wireless video systems
- USB-A Output: 5V / 3A – easily charge phones, wireless audio gear, or compact recorders
- USB-C Output: PD2.0 & PD3.0 support up to 100W – perfect for powering laptops, tablets, and USB-C-powered field monitors
- USB-C Input: PD2.0 & PD3.0 compliant, up to 65W – convenient fast charging from USB-C adapters or power banks
- DC1 Output: 12V / 3A – compatible with a wide range of AV and broadcast accessories
- DC2 Output: 8.4V / 3A – designed for powering smaller cameras or gimbal systems
This powerful array of ports streamlines your setup and gives you the flexibility to adapt on the fly.
Built Tough, Travels Easy
Despite its high capacity, the battery maintains a manageable footprint: 127.3 x 82 x 101.9mm and 1290g in weight. The compact yet durable housing is ideal for mounting on Gold Mount plates, and the robust construction is designed to handle the demands of professional field work.
It operates smoothly in a wide range of environments, with a working temperature from -10°C to 60°C, making it a reliable companion for any climate or condition.
Final Verdict
The Rolux Grand III 250Wh Gold Mount Battery (USB-C) represents the pinnacle of portable power. With an ultra-high capacity, fast USB-C 100W output, and multi-interface support, it’s built for creators who need maximum performance, modern connectivity, and rock-solid dependability. Whether you’re leading a feature film shoot or powering an entire mobile setup, the Grand III is the powerhouse your production can count on.