Samsung 25S Drones Weight v power trade off in pack design - how to pick the right balance.
Explore the Samsung 25S cell for drones, optimising weight and power trade-offs for enhanced UAV performance and endurance.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.125 Wh and 2.45 Ah for reliable energy supply.
Top-quartile volumetric power density at 7266 W/l for high performance.
Gravimetric energy density of 194 Wh/kg supports lightweight designs.
Maximum continuous discharge of 35 A for demanding applications.
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 ranks among the highest in the database, ensuring efficient space utilisation in drone battery packs. The gravimetric energy density of 194 Wh/kg is also notable, allowing for lightweight designs that do not compromise on performance. The cell's volumetric power density of 7266 W/l is top-quartile, making it suitable for high-demand applications such as UAVs. Additionally, the maximum continuous discharge rate of 35 A supports rigorous operational requirements, ensuring that drones can perform effectively under load. This combination of features makes the Samsung 25S an excellent choice for drone battery design, particularly where weight and power trade-offs are critical.
Application Challenges
In the context of drone applications, the challenge of balancing weight and power in battery pack design is paramount. Drones require lightweight battery solutions to maximise flight time and payload capacity. The Samsung 25S cell addresses this challenge with its high energy density and power capabilities. For UAVs, optimising battery weight against energy output is essential for extending flight duration and improving mission endurance. The ability to select the right cell can significantly impact the overall performance of the drone, particularly in demanding environments where reliability and efficiency are crucial. As drone technology evolves, the need for lightweight battery packs that do not compromise on power output becomes increasingly important, making the Samsung 25S a strategic choice for UAV manufacturers.
Why this Cell
The Samsung 25S cell stands out in the competitive landscape of drone batteries due to its impressive specifications. With a volumetric energy density of 526 Wh/l, it is well above the database median, allowing for compact battery designs that enhance UAV performance. The cell's gravimetric energy density of 194 Wh/kg enables lightweight battery packs, crucial for applications where every gram counts. Furthermore, the maximum continuous discharge rate of 35 A positions it in the top-quartile of performance, ensuring that drones can handle high power demands without overheating or compromising safety. This combination of high energy and power densities makes the Samsung 25S an ideal choice for UAV battery optimisation, particularly in scenarios where weight versus power trade-offs must be carefully managed.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising battery selection for drones. By simulating load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the Samsung 25S cell will perform under various conditions. This approach allows for the identification of the best cell for specific mission profiles, ensuring that the selected battery can deliver the required energy while maintaining safe operating temperatures. For instance, modelling can reveal how the cell behaves during high discharge scenarios, helping to prevent overheating and ensuring reliable performance. Additionally, simulations can assist in determining the optimal charge and discharge rates, further enhancing the efficiency of UAV battery packs. By leveraging these advanced design techniques, manufacturers can confidently select the Samsung 25S cell, knowing it meets the rigorous demands of modern drone applications.
