When your production day stretches long and your equipment demands serious power, the Rolux Grand III 250Wh Gold Mount Battery (USB-C) becomes your most reliable on-set ally. Combining massive capacity, universal output versatility, and cutting-edge USB-C PD technology, this powerhouse is tailored for full-day shoots, power-hungry rigs, and mobile creators who need more from a battery than just basic voltage.
🔋 Power That Lasts: 250Wh Capacity
With a capacity of 250Wh (17250mAh), the Grand III is engineered for productions that simply can’t afford interruptions. Whether you’re powering high-wattage LED panels, broadcast cameras, wireless transmitters, or charging devices in the field, this battery provides extended runtime without compromise.
And with a rated voltage of 14.4V and 220W max output, it’s fully capable of running power-intensive gear without overheating or voltage drops.
🧠 Smart USB-C PD Integration: 100W Output
Unlike typical V-Mount or Gold Mount batteries, the Grand III includes full-speed USB-C PD (Power Delivery), pushing up to 100W output — a rare feature in the cinema battery market.
- USB-C Output: Supports PD2.0 and PD3.0, up to 100W max — enough to power MacBook Pros, Blackmagic Studio gear, or even charge drones.
- USB-C Input: Accepts up to 65W, enabling rapid battery recharging from compatible USB-C power adapters or PD power stations.
- USB-A Output: 5V 3A max — perfect for powering mobile devices, microphones, or wireless accessories.
With this level of I/O flexibility, the Grand III acts as a portable DIT hub or on-set power center, not just a camera battery.
⚡ Multiple Power Ports for Multi-Device Operation
Designed for professionals working with complex rigs, the Grand III offers a broad array of output options to support multiple devices simultaneously:
- BP Output Interface: 14.4V / 15A
- D-TAP Output: 14.4V / 15A
- DC1 Output: 12V / 3A
- DC2 Output: 8.4V / 3A
From monitors and wireless video systems to audio receivers and lens motors, you can power your entire rig with one battery.
📐 Professional Build, Balanced Size
Despite its large capacity, the Grand III keeps a manageable form factor:
- Size: 127.3 x 82 x 101.9mm
- Weight: 1290g
The body is compact enough for mounting on studio cams, battery plates, light stands, or carts. Thanks to the Gold Mount interface, it offers a secure and stable connection even on moving or handheld setups.
🌡️ Field-Ready Durability
Built with Samsung 35E 18650 lithium-ion cells, the Grand III ensures not only power efficiency but also temperature resilience — operating safely between -10°C to +60°C. From frozen landscapes to sun-drenched outdoor sets, it performs consistently in challenging environments.
✅ Best Use Cases for the Grand III
- Powering high-output LED lights (300W+)
- Running cinema cameras like ARRI ALEXA, RED, or Canon C700
- Supporting multi-accessory rigs with motors, transmitters, and monitors
- Acting as a field charging station for USB-C laptops, drones, or SSDs
- Ideal for multi-day shoots, live production vans, or documentary expeditions
🔚 Conclusion: A Battery That Powers More Than Just Cameras
The Rolux Grand III 250Wh Gold Mount Battery (USB-C) is more than a power source — it’s a control center for advanced productions. With pro-level DC outputs, 100W USB-C PD, and enough capacity to run full setups for hours, this battery is tailored for creators who demand reliability, flexibility, and modern connectivity in one durable unit.
If you’re scaling your gear, it’s time to scale your power.
Tags: Rolux Grand III, 250Wh Battery, Gold Mount Cinema Battery, USB-C PD 100W Battery, V-Mount Alternative, Camera Battery for Lights and Monitors, Professional Film Battery, Fast Charge DIT Battery, On-Set Power Solution