For professionals working with high-powered camera rigs, lighting setups, or field production gear, the need for robust, extended runtime power is critical. The Rolux Grand III 250Wh Gold Mount Battery (USB-C) delivers exactly that—reliable, high-capacity performance for cinema-grade equipment and modern USB-C workflows.
250Wh of Endurance You Can Trust
At the heart of the Grand III lies a massive 250Wh (17,250mAh) power reserve, offering hours of sustained energy delivery for large-format digital cinema cameras, high-output LED panels, and intensive field accessories. This is serious capacity for serious shooters.
Built with premium Samsung 35E 18650 lithium-ion cells, the battery maintains a rated voltage of 14.4V and supports a maximum total output of 220W, ensuring rock-solid current delivery—even under heavy load.
Built for the Demands of Production Environments
The Grand III doesn’t just offer endurance—it provides power distribution versatility across professional and personal devices. With intelligent output design, this battery eliminates the need for multiple power bricks or converters:
- BP Interface Output – 14.4V / 15A: Delivers stable power to cinema cameras, video assist, and high-draw hardware
- D-TAP Output – 14.4V / 15A: Ideal for lighting accessories, wireless systems, field monitors
- DC1 Output – 12V / 3A: Supports EVFs, recorders, and on-camera accessories
- DC2 Output – 8.4V / 3A: Useful for mirrorless camera adapters or battery plates
- USB-A Output – 5V / 3A: For charging mobile devices or powering USB peripherals
- USB-C Output – Supports PD2.0 & PD3.0 up to 100W: Charge laptops, tablets, USB-C powered cameras or lights
- USB-C Input – Supports PD2.0 & PD3.0 up to 65W: Recharge the battery directly with USB-C chargers when you’re off-grid
This configuration makes the Grand III not only a power supply—but also a central hub for an entire professional rig.
Designed to Travel and Perform
Despite its extended capacity, the Grand III keeps a relatively compact footprint at 127.3 × 82 × 101.9mm, and weighs in at 1290g. It’s perfectly suited for Gold Mount users looking for maximum power without sacrificing rig balance or portability.
Working across challenging climates? No problem—the Grand III is rated for operation from -10°C to 60°C, ensuring performance remains consistent whether you’re in snowy highlands or under a blazing desert sun.
100W USB-C Output: Future-Ready Power
One standout feature is the 100W USB-C PD output, making the Grand III compatible with power-hungry laptops, external SSD arrays, and modern lighting systems—all from a single battery. In combination with the 65W USB-C input, this battery is truly future-ready, accommodating fast recharging when time is limited and your next scene can’t wait.
Final Words
The Rolux Grand III 250Wh Gold Mount Battery (USB-C) is purpose-built for creators, cinematographers, and technical crews who need extreme power and exceptional flexibility. With its high-capacity core, multi-interface support, and cutting-edge USB-C PD compatibility, it’s more than a battery—it’s the heart of your mobile power system.
When performance can’t be compromised, and downtime isn’t an option—go Grand with the Rolux Grand III.