Samsung 25S Drones Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Explore the Samsung 25S cell for drones, designed for mission feasibility assessments with high energy density and optimal performance in challenging environments.
Value Propositions
Cylindrical 18650 form factor for versatile applications.
Nominal capacity of 9.125 Wh and 2.45 Ah for reliable energy supply.
Volumetric energy density of 526 Wh/l, around median for efficient space use.
Gravimetric power density of 2,680 W/kg, top-quartile vs median for high discharge needs.
Maximum continuous discharge of 35 A, ensuring robust performance under load.

About the Cell
The Samsung 25S cell features a cylindrical 18650 form factor, providing a nominal capacity of 9.125 Wh and 2.45 Ah. With a volumetric energy density of 526 Wh/l, it is positioned around the median in the market, making it suitable for various drone applications. The gravimetric energy density stands at 194 Wh/kg, which is competitive but not the highest. Notably, the cell boasts a volumetric power density of 7,266 W/l, which is among the highest in the database, enabling rapid energy delivery for demanding tasks. The gravimetric power density of 2,680 W/kg places it in the top-quartile, making it ideal for high discharge scenarios. This combination of energy and power density ensures that the Samsung 25S can meet the rigorous demands of drone operations, particularly in mission feasibility assessments where reliable performance is critical.
Application Challenges
In the context of drones, mission feasibility assessment involves determining which missions can be executed successfully based on the battery's performance characteristics. The Samsung 25S cell's nominal capacity and energy density are crucial for extending flight times and ensuring that drones can complete their tasks without mid-air failures. The challenge lies in accurately predicting the battery's state of charge (SoC) and performance under varying conditions, such as temperature fluctuations and payload changes. High energy density is essential for long endurance missions, while the ability to handle high discharge rates is vital for applications requiring rapid bursts of power. The Samsung 25S addresses these challenges by providing a reliable energy source that supports complex mission profiles and enhances operational efficiency.
Why this Cell
The Samsung 25S cell is an excellent choice for drones engaged in mission feasibility assessments due to its impressive specifications. With a maximum continuous discharge of 35 A, it is well-suited for high-demand applications, ensuring that drones can perform effectively under load. The cell's volumetric energy density of 526 Wh/l is around the median, providing a good balance between energy storage and space efficiency. Furthermore, its gravimetric power density of 2,680 W/kg places it in the top-quartile, making it ideal for applications that require quick bursts of energy. This combination of attributes allows the Samsung 25S to excel in UAV battery pack design, ensuring that drones can achieve their mission objectives without compromising on performance or safety.
How Model-Based Design Helps
Simulation and model-based design play a pivotal role in optimising the performance of the Samsung 25S cell for drone applications. By modelling load profiles, engineers can predict how the cell will behave under various operational conditions, including thermal rise and voltage sag. This predictive capability is essential for ensuring that the battery can deliver the required energy throughout the flight envelope. For instance, simulations can help identify the optimal discharge rates and energy usage patterns, allowing for more accurate mission planning. Additionally, understanding the thermal behaviour of the cell helps prevent overheating, which is critical for maintaining safety and reliability during missions. Overall, simulation enables informed decision-making in UAV battery optimisation, ensuring that the Samsung 25S cell is utilised to its fullest potential.


