Reliance RS60 Safety and risk management - particularly around overheating and thermal runaway during flight.
Discover the Reliance RS60 cell for UAV applications, optimised for safety and performance in extreme conditions. Ideal for drone battery design.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 21.6 Wh and 6.0 Ah for reliable performance.
Top-quartile volumetric energy density of 858 Wh/l for extended flight times.
Maximum continuous discharge of 50 A, ideal for high-demand applications.
Gravimetric power density of 2517 W/kg, supporting efficient energy use.
About the Cell
The Reliance RS60 cell features a cylindrical 21700 form factor, providing a nominal capacity of 21.6 Wh and 6.0 Ah. With a volumetric energy density of 858 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l, making it suitable for long endurance drone batteries. The gravimetric energy density of 302 Wh/kg is also impressive, significantly above the median of 210 Wh/kg, ensuring lightweight drone battery packs. Additionally, the cell boasts a maximum continuous discharge of 50 A, which is among the highest in the database, allowing for high discharge rate UAV batteries. The volumetric power density of 7149 W/l is exceptional, exceeding the median of 2029 W/l by +253%, making it ideal for applications requiring rapid energy delivery.
Application Challenges
In the EVTOL sector, safety and risk management are paramount, particularly concerning overheating and thermal runaway during flight. The RS60 cell's high energy density is crucial for maintaining performance while minimising weight, which directly impacts flight time and safety. The ability to manage thermal conditions effectively is essential to prevent battery overheating, especially during high-demand operations. With the RS60's specifications, UAV operators can ensure reliable performance in extreme environments, addressing the critical need for safe battery packs for UAVs.
Why this Cell
The Reliance RS60 cell is designed specifically for UAV applications, with metrics that align perfectly with the demands of safety and risk management. Its maximum continuous discharge of 50 A positions it in the top-quartile compared to the median of 30 A in the database, allowing for high discharge rates essential for drone operations. The volumetric energy density of 858 Wh/l ensures that the RS60 can extend drone flight times significantly, addressing the pain point of improving UAV mission endurance. This combination of high energy density and robust discharge capabilities makes the RS60 an optimal choice for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising the performance of the Reliance RS60 cell for UAV applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and extreme temperatures. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that the RS60 can deliver reliable energy output without overheating. Additionally, simulation helps in understanding voltage sag and usable energy, which are vital for accurate drone battery state of charge (SoC) prediction. This approach not only enhances safety but also improves overall drone powertrain efficiency, making it a valuable tool in UAV battery performance testing.
