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
Veteran-Owned Business
Made in USA
Block Battery offers professional-grade cinema battery systems, chargers, and adapters designed for film, broadcast, and ENG/EFP video production. Products support 14V to 30V outputs, Gold/V/B-Mount compatibility, and air-travel-ready designs, delivering reliable portable power for cameras, lights, and accessories on any production set.












Talk to our product experts for custom solutions.
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Video village is typically set up by the video assist department, often led by a video assist operator or DIT (Digital Imaging Technician). They coordinate with the Director of Photography and director to position monitors, run signal cables, and ensure proper power supply — including reliable battery systems — for all monitoring equipment on set.
Talk to our experts for custom solutions and tailored guidance.

Powering cinema cameras, lighting rigs, and video village monitors on feature film and commercial sets.

Providing portable, high-capacity power for electronic news gathering cameras and field production equipment.

Supplying reliable multi-voltage battery solutions for commercial video shoots, documentaries, and branded content.

Enabling mobile crews with lightweight, air-travel-ready batteries for remote and international location shoots.
Talk to our experts for custom solutions and tailored guidance.
Block Battery's management team brings three decades of hands-on experience powering professional broadcast, video, and cinema productions nationwide.
Every Block Battery product is designed and manufactured in the USA by a family-owned, veteran-owned business committed to uncompromising build quality.
From 14V to 30V with Gold, V, and B-Mount compatibility, Block Battery powers virtually any professional cinema camera or lighting system on set.
Submit your inquiry and a Block Battery specialist will respond with tailored recommendations, pricing, and technical guidance for your production needs.
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.
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.