Reliance RS50 Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Reliance RS50 cell for EVTOL applications, optimising flight time and overcoming challenges in drone battery design and performance.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric energy density of 715 Wh/l for efficient space usage.
Maximum continuous discharge of 70.0 A, ensuring high performance under load.
Gravimetric power density of 3761 W/kg, ideal for lightweight applications.
About the Cell
The Reliance RS50 cell features a cylindrical 21700 form factor, optimised for EVTOL applications. With a nominal capacity of 18.0 Wh and 5.0 Ah, it provides reliable energy supply for demanding drone operations. The cell boasts a volumetric energy density of 715 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l, making it an excellent choice for compact designs. Furthermore, its maximum continuous discharge rate of 70.0 A ensures that it can handle high power demands, which is critical for UAV applications. The gravimetric energy density of 268.657 Wh/kg is also noteworthy, providing a lightweight solution for drone battery packs. Overall, the RS50 is designed to meet the rigorous demands of modern UAVs, ensuring both performance and efficiency.
Application Challenges
In EVTOL applications, maximising flight time is crucial. The Reliance RS50 cell is designed to optimise cell selection, duty cycle, and flight speed, addressing the challenge of extending drone flight time. Current and energy management are vital in this context, as they directly impact mission endurance and operational efficiency. The RS50's high energy density allows for longer flight durations, which is essential for applications such as industrial inspections, where every minute of airtime counts. Additionally, the ability to manage thermal performance is critical, as overheating can lead to battery failure. The RS50's design mitigates these risks, ensuring safe and reliable operation in various environments.
Why this Cell
The Reliance RS50 cell is an ideal choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge rate of 70.0 A, it is in the top-quartile compared to the database median of 30 A, allowing for robust performance during demanding flight conditions. Its volumetric energy density of 715 Wh/l is significantly higher than the median of 542 Wh/l, making it suitable for long endurance drone batteries. The lightweight design, with a gravimetric power density of 3761 W/kg, ensures that the RS50 can contribute to improved UAV mission endurance without adding unnecessary weight. This combination of high energy and power densities makes the RS50 a standout option 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 RS50 cell for EVTOL 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 optimal duty cycles and flight speeds, ensuring that the RS50 operates efficiently throughout its mission. For instance, simulating thermal rise helps in selecting the right cell for high-demand scenarios, preventing overheating and ensuring safety. Additionally, voltage sag can be accurately predicted, allowing for better management of energy use during flight. Overall, simulation enables a data-driven approach to battery design, ensuring that the RS50 meets the rigorous demands of UAV applications.
