Introducing the All-New Diamond Series: Next-Generation Semi-Solid-State Li-ion Batteries Now Available

As the global demand for high-performance, compact, and safe energy storage surges, battery technology continues to evolve. One of the most promising innovations in this field is the semi-solid-state lithium-ion battery—combining the advantages of solid-state stability with liquid electrolyte flexibility. Leading this innovation is the Diamond Series, offering ultra-high energy density and superior temperature resilience.

Foxtech’s Diamond 350Wh/kg and Diamond 400Wh/kg Series batteries are redefining power solutions for cutting-edge sectors such as UAVs, robotics, electric vehicles, and portable energy systems.

Why Semi-Solid-State Matters

Traditional lithium-ion batteries are limited by energy density, safety concerns, and temperature constraints. Semi-solid-state technology addresses these challenges by using a hybrid electrolyte composition, enhancing both safety and performance. This architecture allows higher voltage operation and improved thermal stability—without the brittleness or cost issues of full solid-state batteries.

Diamond 350Wh/kg Series: High Power for Extreme Environments

Designed to excel in the harshest conditions, the Diamond 350Wh/kg Series brings exceptional performance to applications where reliability and resilience are non-negotiable.

Key Features:

• 350Wh/kg Ultra-High Energy Density
  Delivers powerful energy storage in a compact, lightweight design—ideal for space- and weight-sensitive systems.

• Wide Operating Temperature: -40°C to 60°C
  Maintains stable output from polar expeditions to desert operations.

• High Voltage Output: 4.45V Per Cell
  Supports increased energy throughput for performance-demanding tasks.

• Robust Discharge Capabilities

  • 5C Continuous

  • 7C Max Continuous

  • 15C Peak
    Designed for applications requiring rapid, high-power discharge—like electric UAVs, drones, and industrial machinery.

• Extended Lifespan: 500 Cycles
  Balances energy density with safety and durability for cost-effective deployment.

Diamond 400Wh/kg Series: Power Meets Versatility

Pushing the boundaries even further, the Diamond 400Wh/kg Series is optimized for next-generation platforms requiring maximum energy density and minimal weight.

Key Features:

• 400Wh/kg Ultra-High Energy Density
  Stores significantly more power without increasing form factor or weight—perfect for long-endurance drones, robotics, and mobile power stations.

• Elevated Cell Voltage: 4.45V
  Offers enhanced system efficiency and longer runtimes compared to conventional 4.2V cells.

• Optimized Discharge Rates

  • 2C Continuous

  • 3C Max Continuous

  • 5C Peak
    Supports high-load operations with stable output.

• Cycle Life: 400 Full Cycles
  Maintains performance across repeated use while ensuring operational stability.

• Multiple Configuration Options
  Available in 6S, 7S, 12S, 14S, 18S, and 24S variants, including 77000mAh capacities tailored for diverse integration requirements.

Real-World Applications

The Diamond Series batteries are engineered for the future of mobility, automation, and smart energy:

• UAVs & Drones: Lightweight and high-capacity batteries that extend flight time and range.

• Robotics: Compact energy sources to drive mobile platforms in logistics, defense, and industrial automation.

• Electric Vehicles & eVTOL: Efficient energy delivery with superior safety margins.

• Portable Power Systems: Ideal for field operations, emergency services, and off-grid energy setups.

The Future of Battery Technology Starts Here

With growing pressure on energy systems to be lighter, more powerful, and longer-lasting, the Diamond 350Wh/kg and 400Wh/kg Series mark a critical leap forward. Their combination of high voltage, superior discharge rates, wide temperature tolerance, and cycle durability positions them as cornerstone technologies for the next generation of intelligent systems.

Interested in integrating Diamond Series batteries into your application?
Contact our technical team to learn more about specifications, customization options, and application support.