BEI Corp specializes in the creation of ultra-lightweight battery technologies utilizing groundbreaking lithium metal innovations that provide exceptional energy and power density. Our solutions offer UAVs (unmanned aerial vehicles) and robotic systems safer, more enduring, and efficient energy sources, establishing a new benchmark for performance and longevity. BEI batteries can enhance drone flight durations by over 70% while ensuring dependable functionality in extreme temperature conditions, making them perfect for both commercial applications and Tier 1 and Tier 2 unmanned systems.
Innovative Lithium-Metal Battery Technology
Our distinctive anode-free architecture, rooted in advanced materials science, preserves the high efficiency of lithium metal technology while considerably minimizing lithium consumption. This leads to the first solution of its kind that achieves both high energy and power density without compromise. 
Additionally, we incorporate an ultra-thin protective coating that eliminates the safety concerns and limited cycle life associated with traditional lithium-ion batteries. BEI products are up to 40% more compact and 46% lighter than standard Li-Po batteries, while providing an extended operational temperature range of -35 to +73oC, ensuring reliability in any setting.
Traditional Solutions
BEI Innovation
Our batteries have successfully met UN 38.3 standards,confirming their safe transport by air,land,or sea. The following comparison video illustrates nail penetration tests on a conventional Li-ion battery (left) versus a BEI battery (right). Our product continues to function even after the multi-layer large format cell has been compromised.
Superior Performance for Drones and Robotics
- Infrastructure Monitoring – enabling drones to cover larger areas and accomplish more in a single flight
- Medical Supply Delivery – extending the operational range of UAVs for critical organ and vaccine transport
- Smart Agriculture – facilitating more effective crop surveillance and management for enhanced yields
- Disaster Response – providing extended endurance and greater range for search and rescue missions
By ensuring independence from components or technologies sourced from adversarial nations, we maintain a secure and uninterrupted supply chain, which is especially vital for military and aerospace applications. Our technology has already been adopted by numerous defense primes and OEMs across Europe, the U.S., and globally. Discover more: advanced lithium-metal batteries
Next-Generation Lithium Metal Batteries for Loitering Munitions
Our cutting-edge lithium-metal batteries are also perfectly suited for enhancing the operational effectiveness of loitering munitions, providing a powerful solution that overcomes the shortcomings of existing battery technologies. With industry-leading energy density in a lightweight and compact form, BEI products guarantee superior range and flight duration, enabling more agile and rapid maneuvers. They deliver excellent power output even in extreme cold and can be charged, transported, and stored at high temperatures without any loss in performance, allowing mission-critical platforms to function in diverse environments, from polar regions to arid deserts. Our highly resilient products are designed to endure meaningful impacts while eliminating fire hazards, making them an ideal power source for loitering munitions systems. Learn more: Lithium metal batteries for loitering munitions
Lightweight Commercial Lithium Metal Batteries
Our ultralight series of commercial lithium metal batteries currently features two models:
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For more information about our COTS batteries or to collaborate with us on a custom solution tailored to your drone platform and request needs, please reach out.
