Samsung 25R Drones Weight v power trade off in pack design - how to pick the right balance.
Explore the Samsung 25R cell for drones, optimising weight and power for enhanced performance in UAV applications. Discover its unique advantages.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.0 Wh and 2.5 Ah for reliable energy supply.
Top-quartile volumetric energy density of 526 Wh/l for efficient space use.
Maximum continuous discharge of 20.0 A, ideal for high-demand applications.
Gravimetric power density of 1600 W/kg supports rapid energy delivery.
About the Cell
The Samsung 25R cell features a cylindrical 18650 form factor, making it a compact choice for drone applications. With a nominal capacity of 9.0 Wh and 2.5 Ah, it provides a reliable energy supply for various UAV operations. The cell boasts a volumetric energy density of 526 Wh/l, placing it in the top-quartile compared to the database median of 541.67 Wh/l, which allows for efficient use of space in battery packs. Additionally, its maximum continuous discharge rate of 20.0 A ensures that it can handle high-demand applications, making it suitable for drones that require quick bursts of power. The gravimetric power density of 1600 W/kg supports rapid energy delivery, which is crucial for maintaining performance during flight. Overall, the Samsung 25R cell is designed to meet the rigorous demands of drone battery design, offering a balance of energy capacity and power output that is essential for UAV applications. The cell's specifications make it a strong candidate for lightweight drone battery packs, ensuring that operators can achieve optimal performance without compromising on weight.
Application Challenges
In the context of drones, the challenge of balancing weight and power in battery pack design is critical. Drones require lightweight components to maximise flight time while ensuring sufficient power for operation. The Samsung 25R cell addresses this challenge effectively. With its nominal capacity of 9.0 Wh, it provides ample energy for various UAV missions, while its lightweight design (mass of 45.0 g) contributes to overall drone efficiency. The need for high energy density is paramount in UAV battery optimisation, as it directly impacts flight endurance. The volumetric energy density of 526 Wh/l allows for more energy storage in a smaller volume, which is essential for maintaining a lightweight drone structure. Furthermore, the maximum continuous discharge rate of 20.0 A enables the cell to support demanding applications, such as heavy lift or long endurance missions. In summary, the Samsung 25R cell is well-suited for addressing the weight versus power trade-off in drone battery design, ensuring that operators can achieve the desired performance without exceeding weight limits.
Why this Cell
The Samsung 25R cell is an excellent choice for drone applications due to its impressive specifications that align with the challenges of UAV battery pack design. Its nominal capacity of 9.0 Wh and 2.5 Ah provides a solid foundation for reliable energy supply, while its volumetric energy density of 526 Wh/l ranks it in the top-quartile compared to the median of 541.67 Wh/l. This high energy density is crucial for lightweight drone battery packs, allowing for efficient space utilisation without compromising performance. Additionally, the maximum continuous discharge rate of 20.0 A ensures that the cell can handle the high current demands often required in drone operations. The gravimetric power density of 1600 W/kg supports rapid energy delivery, which is essential for maintaining optimal drone performance during flight. Overall, the Samsung 25R cell offers a well-rounded solution for drone battery design, optimising both weight and power to meet the needs of modern UAV applications.
How Model-Based Design Helps
Simulation and model-based design play a vital role in optimising the selection of battery cells for drone applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the Samsung 25R cell will perform under various conditions. For instance, simulating the thermal rise during high discharge scenarios allows for the identification of potential overheating issues, ensuring that the cell operates safely within its limits. Furthermore, voltage sag can be modelled to assess the cell's performance during demanding flight maneuvers, providing insights into usable energy across the entire flight envelope. This predictive capability enables engineers to make informed decisions when selecting cells for UAVs, ultimately leading to improved mission endurance and reliability. By leveraging simulation, the challenges of weight versus power trade-off in pack design can be effectively addressed, ensuring that the chosen battery cell meets the specific requirements of the drone's operational profile.
