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EVE Energy 25P Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.

Discover the EVE Energy 25P cell designed for drones, optimising flight time and performance while addressing core challenges in UAV battery design.

Value Propositions

  • Cylindrical 18650 form factor for compact design.

  • Nominal capacity of 9.0 Wh and 2.5 Ah for efficient energy storage.

  • Top-quartile volumetric power density of 6,200 W/l for high performance.

  • Gravimetric energy density of 187.5 Wh/kg, ideal for lightweight applications.

  • Maximum continuous discharge of 30 A, supporting demanding UAV operations.

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About the Cell

The EVE Energy 25P cell features a cylindrical 18650 form factor, providing a nominal capacity of 9.0 Wh and 2.5 Ah. With a volumetric energy density of 517 Wh/l, it ranks around the median compared to other cells, making it suitable for various applications. Its gravimetric energy density of 188 Wh/kg is also competitive, ensuring that the cell remains lightweight while delivering substantial power. The cell's volumetric power density of 6,200 W/l places it in the top-quartile of the database, allowing for brisk current draws necessary in UAV applications. Additionally, the maximum continuous discharge of 30 A ensures that it can handle high demand scenarios, making it a reliable choice for drone battery design.

Application Challenges

In the aerospace sector, maximising flight time is critical. Drones must operate efficiently under varying conditions, and optimising cell selection, duty cycle, and flight speed is essential. The EVE Energy 25P cell addresses these challenges with its high energy density and robust discharge capabilities. In practical terms, this means that operators can expect longer flight durations, which is crucial for missions such as surveillance, inspections, and emergency response. The ability to extend drone flight time directly impacts mission success, allowing for more extensive coverage and reduced downtime between flights.

Why this Cell

The EVE Energy 25P cell is specifically designed to meet the demands of aerospace applications. With a maximum continuous discharge of 30 A, it supports high-performance UAV operations, ensuring that drones can perform under pressure. Its volumetric energy density of 517 Wh/l is around the median, providing a balance between size and energy storage. This cell's gravimetric energy density of 188 Wh/kg is also significant, as it allows for lightweight drone battery packs that do not compromise on performance. By choosing the EVE Energy 25P, engineers can ensure that their UAVs achieve optimal flight times while maintaining safety and efficiency.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in selecting the right battery cells for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the EVE Energy 25P cell will perform under various conditions. This approach allows for accurate assessments of usable energy and helps in identifying potential overheating issues. For instance, simulations can reveal how the cell behaves during high discharge scenarios, ensuring that the selected battery can handle the demands of the mission without risk of failure. This predictive capability is essential for mission-critical applications, where reliability is paramount.

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