When your production demands serious, uninterrupted power—whether it’s a full-day shoot or a multi-device rig—the Rolux Density III 290Wh USB-C V-Mount Battery steps in as the ultimate workhorse. Designed for professionals who refuse to compromise, this high-capacity battery delivers long-lasting performance, smart power versatility, and rugged reliability, all in a V-Mount form factor.
290Wh of Serious Power
With a whopping 290Wh (20100mAh) capacity, the Density III is tailor-made for power-hungry setups. Whether you’re using full-frame cinema cameras, high-draw LED panels, or wireless video transmitters, this battery ensures extended runtime and reduced downtime—even on the most demanding shoots.
Despite its larger capacity, it maintains a practical footprint—available in two form factors: 120×91×90mm and 120×91×102mm, and weighs just 1380g–1390g, making it portable enough for shoulder rigs, gimbal systems, and studio use alike.
Smart Multi-Port Power Hub
The Density III isn’t just a battery—it’s a versatile power station for your entire setup. Featuring a full suite of I/O ports:
- 🔌 BP Electrodes: 14.4V 15A out, 16.8V 3A in – stable power for traditional mounts
- ⚡ D-Tap (Bi-Directional): 14.4V 15A out / 16.8V 3A in – for external charging and powering lights or monitors
- 🔋 USB-C PD: Up to 65W output and 45W input – charge your MacBook, camera monitors, or recharge the battery itself
- 📱 USB-A: 5V 2.1A – great for mobile devices and wireless accessories
With these outputs, you can power multiple accessories simultaneously—no need for extra adapters or charging bricks on set.
Built for Real-World Production
From freezing high-altitude locations to scorching outdoor environments, the Density III is ready. It’s engineered to operate between -10℃ and 60℃, with safe charging from 0℃ to 40℃. Whether you’re filming a documentary in the Arctic or shooting under the desert sun, this battery keeps rolling with you.
Key Features at a Glance
- 🔋 290Wh / 20100mAh capacity — long-lasting power for extended shoots
- ⚙️ V-Mount compatibility — industry-standard for cinema cameras and accessories
- ⚡ Dual-direction D-Tap and USB-C PD ports — flexibility for both output and charging
- 🧠 Smart, multi-device support — power your camera, lights, laptop, and phone from one battery
- 🌡️ Rugged temperature tolerance — built for extreme shooting conditions
- 📏 Two size options — compact (90mm) and high-capacity (102mm) variants
Who Is It For?
The Rolux Density III is a go-to solution for:
- Cinematographers running high-draw cinema gear
- Crews working in remote or off-grid locations
- Studio setups needing long runtime with fewer battery swaps
- Professionals looking to power both filming equipment and digital devices (like laptops, tablets, monitors) from a single battery source
Final Thoughts
The Rolux Density III 290Wh USB-C V-Mount Battery is a serious solution for serious shooters. Its large capacity, intelligent port configuration, and rugged design make it an indispensable asset for long days, heavy rigs, and complex setups. When power is critical, Density III delivers—without compromise.