Samsung 25R Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover how Samsung 25R cells enhance drone performance by maximising flight time through optimal cell selection and design strategies.
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, providing a nominal capacity of 9.0 Wh and 2.5 Ah. With a volumetric energy density of 526 Wh/l, it stands out in the market, being in the top-quartile compared to the median of 541.67 Wh/l. Its gravimetric energy density is 200 Wh/kg, which is around the median of 210 Wh/kg. The cell's volumetric power density of 4208 W/l is among the highest in the database, significantly enhancing its performance in demanding applications. Additionally, the maximum continuous discharge rate of 20.0 A, which is top-quartile compared to the median of 30 A, ensures that it can handle high current draws, making it suitable for various drone applications. The Samsung 25R is designed for optimal performance in drone battery systems, ensuring reliability and efficiency in energy delivery during flight.
Application Challenges
In the context of drones, maximising flight time is critical. This involves optimising cell selection, duty cycles, and flight speeds to achieve the longest possible operational duration. The challenge lies in balancing energy density with weight, as well as ensuring that the battery can withstand high discharge rates without overheating. Current and energy management are vital for maintaining performance, especially in demanding environments where drones operate. The Samsung 25R cell's specifications, including its high energy density and robust discharge capabilities, directly address these challenges, making it an ideal choice for drone applications.
Why this Cell
The Samsung 25R cell is particularly suited for drone applications due to its impressive specifications. With a maximum continuous discharge rate of 20.0 A, it is positioned in the top-quartile compared to the median of 30 A, allowing for efficient energy delivery during high-demand scenarios. Its volumetric energy density of 526 Wh/l, which is around the median, ensures that drones can carry more energy without significantly increasing weight. This is crucial for maximising flight time, as lighter batteries contribute to longer operational durations. Furthermore, the cell's gravimetric power density of 1600 W/kg supports rapid energy delivery, essential for maintaining drone performance during critical phases of flight. These attributes make the Samsung 25R an excellent choice for UAV battery optimisation and design.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising battery performance for drones. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the Samsung 25R cell will perform under various conditions. This includes assessing heat generation during high discharge scenarios and ensuring that the battery remains within safe operating temperatures. Additionally, simulations can help determine the usable energy across different flight profiles, enabling designers to select the most suitable cells for specific missions. By leveraging cell-specific data, engineers can avoid costly trial-and-error testing, ensuring that the right cell is chosen from the outset. This predictive capability is vital for enhancing drone reliability and performance, particularly in mission-critical applications.
