Reliance RS40 Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Discover the Reliance RS40 cell for UAV applications, optimising mission feasibility with high energy density and performance for drone battery design.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 14.4 Wh and 4.0 Ah for extended use.
Top-quartile volumetric power density of 10,008 W/l for high performance.
Gravimetric energy density of 215 Wh/kg, ensuring lightweight solutions.
Maximum continuous discharge of 70 A for demanding applications.
About the Cell
The Reliance RS40 cell features a cylindrical 21700 form factor, optimised for UAV applications. With a nominal capacity of 14.4 Wh (4.0 Ah), it provides a reliable energy source for various missions. The cell boasts a volumetric energy density of 572 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l, which is crucial for long endurance drone batteries. Additionally, its gravimetric energy density of 215 Wh/kg is around the median, ensuring that the cell remains lightweight while delivering substantial power. The volumetric power density of 10,008 W/l is among the highest in the database, enabling high performance during demanding operations. The maximum continuous discharge rate of 70 A (17.5 C) allows for robust performance in high-drain scenarios, making it suitable for UAV battery pack design.
Application Challenges
In the context of EVTOL and mission feasibility assessment, the Reliance RS40 cell addresses critical challenges in drone battery design. The ability to assess what missions or use cases are possible using simulation is vital for ensuring operational success. High energy density is essential for extending drone flight time, particularly in demanding environments. The RS40's specifications allow for accurate predictions of battery performance under various conditions, which is crucial for preventing drone battery overheating and ensuring safe battery packs for UAVs. The lightweight nature of the RS40 contributes to improved UAV mission endurance, enabling drones to carry heavier payloads without compromising flight time.
Why this Cell
The Reliance RS40 cell is an ideal choice for UAV applications due to its impressive metrics. With a maximum continuous discharge rate of 70 A, it is positioned in the top-quartile compared to the database median of 30 A, making it suitable for high discharge rate UAV batteries. Its volumetric energy density of 572 Wh/l is also among the highest, allowing for long endurance drone batteries that can support extended missions. The cell's lightweight design, with a gravimetric energy density of 215 Wh/kg, ensures that it meets the demands of UAV battery optimisation while maintaining efficiency. These features make the RS40 an excellent option for custom UAV battery packs that require reliable performance.
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 mission profiles. This approach allows for the identification of optimal operating conditions, ensuring that the drone can deliver the required thrust and energy throughout its flight envelope. For instance, simulating the thermal rise during high discharge scenarios helps prevent overheating, which is critical for maintaining battery safety and performance. Additionally, using cell-specific data enables accurate predictions of state of charge (SOC), which is essential for reliable go/no-go decision-making in mission planning.
