Reliance RS40 Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Reliance RS40 cell for UAV applications, designed to maximise flight time and optimise performance under demanding conditions.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 14.4 Wh and 4.0 Ah for efficient energy storage.
Top-quartile volumetric power density of 10,008 W/l for high performance.
Gravimetric energy density of 215 Wh/kg, ideal for lightweight applications.
Maximum continuous discharge of 70 A, suitable for demanding UAV tasks.
About the Cell
The Reliance RS40 cell features a cylindrical 21700 form factor, providing a nominal capacity of 14.4 Wh and 4.0 Ah. With a volumetric energy density of 572 Wh/l, it ranks among the highest in the database, significantly enhancing the energy storage capabilities for UAV applications. The gravimetric energy density of 215 Wh/kg positions it well for lightweight drone battery packs, ensuring that UAVs can maintain optimal performance without excessive weight. Additionally, the cell boasts a volumetric power density of 10,008 W/l, which is top-quartile compared to the median of 2,029 W/l in the database, making it an excellent choice for high-energy density drone batteries. The maximum continuous discharge rate of 70 A allows for robust performance during demanding flight conditions, ensuring that the RS40 can handle the high discharge rates required for UAV operations.
Application Challenges
In the context of EVTOL applications, maximising flight time is critical. The RS40 cell's specifications directly address the challenges of optimising cell selection, duty cycle, and flight speed. High energy density is essential for extending drone flight time, especially in scenarios where payload and range are crucial. The ability to maintain performance under varying conditions, such as temperature fluctuations and discharge rates, is vital for ensuring mission success. The RS40's high volumetric power density allows for efficient energy use, which is particularly important for UAVs operating in extreme environments. Furthermore, the lightweight design of the RS40 cell contributes to improved UAV mission endurance, enabling longer flights without compromising safety or performance.
Why this Cell
The Reliance RS40 cell is specifically designed to meet the demands of EVTOL applications, where maximising flight time is paramount. With a maximum continuous discharge rate of 70 A, it is positioned in the top-quartile compared to the median of 30 A in the database, allowing for high discharge rates that are essential for UAV operations. The cell's volumetric energy density of 572 Wh/l is among the highest in the database, providing the necessary energy storage to extend flight times significantly. This performance is critical for applications requiring long endurance, such as industrial inspections and emergency response missions. The RS40's lightweight design, with a gravimetric energy density of 215 Wh/kg, ensures that UAVs can carry more payload while maintaining efficiency, making it an ideal choice for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Reliance RS40 cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under various conditions. This approach allows for the identification of the optimal duty cycle and flight speed, ensuring that the RS40 cell can deliver the required thrust and energy throughout the entire flight envelope. Additionally, simulations help in understanding the thermal rise and potential overheating issues, enabling the selection of cells that maintain safety and performance. By using cell-specific data, engineers can avoid costly trial-and-error testing, leading to more efficient design processes and improved UAV performance.
