When your gear demands uncompromising power and reliability, the Rolux Grand III 250Wh Gold Mount Battery (USB-C) delivers. Designed for professional cinematographers and production crews, this powerhouse combines massive capacity, intelligent connectivity, and rugged engineering — giving your equipment the endurance it needs to perform flawlessly on set or in the field.
⚡ Exceptional Power Capacity for High-End Equipment
With an impressive 250Wh (17,250mAh) capacity and 14.4V rated voltage, the Grand III provides long-lasting, stable energy to power cinema cameras, LED lighting panels, field monitors, and more. Capable of delivering up to 220W of total output, it ensures reliable performance even under the most demanding production conditions.
Whether you’re capturing an all-day documentary shoot or a complex multi-camera setup, this battery delivers consistent output without compromise.
🔌 Multi-Output Design for Complete System Integration
The Grand III offers a wide range of professional-grade power outputs, allowing users to connect multiple devices at once.
It features:
- Gold Mount Output: 14.4V / 15A for professional camera systems
- D-TAP Port: 14.4V / 15A for monitors, transmitters, or lights
- Dual DC Outputs: 12V / 3A and 8.4V / 3A for smaller accessories
- USB-A Output: 5V / 3A for phones, tablets, or wireless gear
- USB-C PD Output: Supports PD2.0 and PD3.0 up to 100W — ideal for powering laptops, video monitors, and PD-compatible devices
This flexible power distribution design turns the Grand III into a central power hub, capable of running your entire setup simultaneously and efficiently.
🔋 USB-C PD Input & Output: Smart, Fast, and Efficient
The Rolux Grand III features bi-directional USB-C PD technology, providing both input and output capabilities.
- USB-C Output: Delivers up to 100W (PD2.0/PD3.0) for fast, high-powered device charging.
- USB-C Input: Supports up to 65W PD charging, allowing the battery to recharge directly via a USB-C power adapter — no bulky charger required.
This dual-function PD port brings a new level of convenience to mobile production workflows, reducing gear clutter and maximizing on-the-go charging efficiency.
🔋 Premium Samsung 35E 18650 Cells for Superior Reliability
Inside every Rolux Grand III are Samsung 35E 18650 lithium-ion cells, known for their exceptional energy density, durability, and safety. These high-performance cells ensure a consistent power output and long lifespan, even during extended shoots or extreme temperature conditions.
Operating reliably between -10°C and 60°C, the Grand III performs just as well on a snowy mountaintop as it does in a desert heatwave.