Lithium Battery Travel Compliance certified

Lithium Battery Travel Compliance

Veteran-Owned Business certified

Veteran-Owned Business

V-Mount Battery Plate for Sony FX9

Block Battery's V-Mount Battery Plate for Sony FX9 features The Protean — a 150Wh cinema battery supporting 14V and 28V configurations. Compatible with V-Lock, Gold Mount, and B-Mount systems, it splits into two 75Wh carry-on compliant units, ideal for professional film, broadcast, and location productions.

The Protean — V-Mount, B-Mount & Gold-Mount Cinema Battery (150Wh; splits to 2x75Wh carry-on)

Our Range of Products

The Protean — V-Mount, B-Mount & Gold-Mount Cinema Battery (150Wh; splits to 2x75Wh carry-on)

The Protean — V-Mount, B-Mount & Gold-Mount Cinema Battery (150Wh; splits to 2x75Wh carry-on)

  • 150Wh capacity, 14V & 28V dual output
  • Splits into 2x75Wh for carry-on travel
  • 5-in-1: V-Mount, B-Mount & Gold Mount

Frequently Asked Questions

What kind of battery is in the Sony FX9?

The Sony FX9 uses a V-Mount (V-Lock) battery system. Block Battery's Protean is fully compatible, offering 150Wh capacity in a 14V V-Lock configuration. It supports the FX9's power demands for extended shoots and can also power on-camera accessories and lights rated up to 150 watts simultaneously.

Is the V-Mount battery plate compatible with the Sony FX9?

What is the capacity of Block Battery's V-Mount battery for the Sony FX9?

Can I travel with this V-Mount battery on a plane?

Does The Protean support both 14V and 28V output?

Does the battery include a D-Tap output?

What mount types does The Protean support?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Cinematic & Film Production

Cinematic & Film Production

Powers Sony FX9, RED, and Canon cinema cameras on feature film sets with versatile 14V/28V dual output.

Professional Broadcast & ENG

Professional Broadcast & ENG

Reliable V-Mount power for ENG and EFP video crews requiring long-duration, field-ready battery solutions.

Lighting Production

Lighting Production

Supports on-set lighting accessories and LED fixtures rated 0–150W from a single compact battery unit.

Location & Travel Shoots

Location & Travel Shoots

TSA-compliant split design enables safe air travel for on-location productions requiring portable power systems.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Cinema & Broadcast Professionals Choose Block Battery

30 Years of Industry Expertise

Block Battery's management team brings three decades of hands-on experience in professional broadcast, cinema, and video production power systems.

Five Power Solutions in One Battery

The Protean supports 14V and 28V with Gold Mount, B-Mount, and V-Lock compatibility — eliminating the need for multiple separate battery units on set.

Travel-Ready & Production-Proven

Splits into two isolated 75Wh units for airline carry-on compliance, making it the most versatile battery for location shoots nationwide.

Get Expert Power Advice for Your Sony FX9 Setup

Submit your inquiry and a Block Battery specialist will respond with tailored power solution recommendations for your production needs.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 714-928-1496. You can also send us a quick email at normk@blockbattery.com.