Veteran-Owned Business certified

Veteran-Owned Business

American Manufacturer certified

American Manufacturer

B Mounting Systems & Solutions

Block Battery's B-Mount battery systems and solutions deliver professional-grade power for cinema, broadcast, and ENG/EFP production. Featuring high-capacity LiFePO4 batteries, dual 14V/28V outputs, QuickCell modularity, air-travel compliance, and compatible adapters and chargers for Sony, Canon, and RED camera platforms.

SLi-D1000 Dual Voltage Block, light weight, fast charging, modular power solution for Arri, Sony, Red cinema cameras
SLi-300 14V mini Block Cinema Battery Plate Compatible
The Protean —The Everything Battery,  switches from V-Mount, B-Mount & Gold-Mount, 14 and 28v Cinema Battery (150Wh; splits to 2x75Wh carry-on)
SLi-D600 Dual Voltage Block, light weight, fast charging, modular power solution for Arri, Sony, Red cinema cameras
VMA-4XLR — Gold-Mount to B-Mount / V-Mount Adapter (4-pin XLR)
D-Tap Charger 14V single channel fast charger
DFC Charger — Battery Charger for Dual Channel Nickel Metal Hydride Block Batteries.
Logos 150 G

Our Range of Products

SLi-D1000 Dual Voltage Block, light weight, fast charging, modular power solution for Arri, Sony, Red cinema cameras

SLi-D1000 Dual Voltage Block, light weight, fast charging, modular power solution for Arri, Sony, Red cinema cameras

  • 970Wh largest travel-ready block battery
  • 16V & 28V simultaneous outputs while charging
  • Linkable batteries for expanded capacity
SLi-300 14V mini Block Cinema Battery Plate Compatible

SLi-300 14V mini Block Cinema Battery Plate Compatible

  • 304Wh LiFePO4 at only 9 lbs lightweight
  • UPS mode: charge and power simultaneously
  • Modular linking expands total capacity
The Protean —The Everything Battery,  switches from V-Mount, B-Mount & Gold-Mount, 14 and 28v Cinema Battery (150Wh; splits to 2x75Wh carry-on)

The Protean —The Everything Battery, switches from V-Mount, B-Mount & Gold-Mount, 14 and 28v Cinema Battery (150Wh; splits to 2x75Wh carry-on)

  • 150Wh with 14V & 28V dual output
  • Splits into 2x75Wh for carry-on travel
  • Gold, B-Mount & V-Lock compatibility
SLi-D600 Dual Voltage Block, light weight, fast charging, modular power solution for Arri, Sony, Red cinema cameras

SLi-D600 Dual Voltage Block, light weight, fast charging, modular power solution for Arri, Sony, Red cinema cameras

  • 608Wh lightest fast-charging block battery with simultaneous 16 and 28V outputs
  • UPS mode: charge and discharge at once
  • Disassemble for air travel compliance
VMA-4XLR — Gold-Mount to B-Mount / V-Mount Adapter (4-pin XLR)

VMA-4XLR — Gold-Mount to B-Mount / V-Mount Adapter (4-pin XLR)

  • Adapts 4 Pin XLR to Gold-Mount, B-Mount or V-Mount
  • 4-pin XLR input for cinema camera rigs
  • Supports 14.4V, 24V, 28.8V & 30V
D-Tap Charger 14V single channel fast charger

D-Tap Charger 14V single channel fast charger

  • D-Tap fast charging for Batteries with D-Tap Ports
  • Veteran-owned, made in America
  • Built for cinema & broadcast on-set use

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Frequently Asked Questions

What is a B-Mount battery system and how does it differ from V-Mount?

B-Mount is a high-current battery mounting standard designed for demanding cinema and broadcast cameras requiring 28V power, such as the Canon EOS C400. V-Mount operates at 14V and is used with cameras like the Sony FX9 and RED. Block Battery offers products compatible with both standards, and some models support dual 14V/28V output in a single unit.

Which cameras are compatible with Block Battery B-Mount systems?

Can Block Battery B-Mount batteries be taken on an airplane?

What is the energy capacity range available in B-Mount battery systems?

Do Block Battery systems support simultaneous charging and use (UPS mode)?

Can multiple Block Battery units be linked for increased capacity?

What charger options are available for B-Mount and V-Mount Block Batteries?

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 14V/28V cinema cameras and lights on set, supporting extended shoots with high-capacity, linkable B-Mount batteries.

Broadcast & ENG/EFP

Broadcast & ENG/EFP

Delivers reliable dual-voltage power for broadcast cameras and field production equipment in live and remote environments.

Lighting Production

Lighting Production

Runs LED panels and lighting accessories up to 250W via B-Mount and V-Mount eliminator plates on light stands.

Location & Travel Shoots

Location & Travel Shoots

Air-travel-compliant, disassemblable batteries enable portable, high-capacity power for remote and international productions.

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 30 years of professional broadcast, video, and cinema battery experience, making them a trusted industry standard in the US cinema market.

American-Made, Veteran-Owned Quality

Designed and manufactured in the USA by a family- and veteran-owned business, every Block Battery product reflects a commitment to superior quality and performance on demanding production sets.

Modular Power Built for Production

QuickCell modularity, AutoBalance technology, UPS mode, and linkable battery configurations give productions scalable, uninterrupted power for cameras, lights, and accessories up to 250W.

Get Expert Power Advice for Your Next Production

Submit your inquiry and our team will respond with tailored B-Mount battery recommendations, pricing, and configuration guidance 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.