Amprius SA11 EVTOL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Amprius SA11 cell for EVTOL applications, optimising flight time and overcoming core technical challenges in drone battery design.
Value Propositions
Pouch form factor with a nominal capacity of 105.0 Wh and 30.0 Ah.
Volumetric energy density of 725 Wh/l, top-quartile vs median 542 Wh/l.
Gravimetric energy density of 334 Wh/kg, +59% vs database median of 210 Wh/kg.
Maximum continuous discharge of 90 A, top-quartile vs median 30 A.
Volumetric power density of 2,174 W/l, +7% vs database median of 2,029 W/l.
About the Cell
The Amprius SA11 cell is designed in a pouch form factor, featuring a nominal capacity of 105.0 Wh and 30.0 Ah. It boasts a volumetric energy density of 725 Wh/l, placing it in the top-quartile compared to the median of 542 Wh/l in the market. The gravimetric energy density of 334 Wh/kg is also impressive, exceeding the median by 59%. With a maximum continuous discharge capability of 90 A, this cell is well-suited for demanding UAV applications. Additionally, its volumetric power density of 2,174 W/l is among the highest, ensuring robust performance during high-drain scenarios.
Application Challenges
In the EVTOL sector, maximising flight time is critical. The Amprius SA11 cell addresses the challenge of optimising cell selection, duty cycle, and flight speed to enhance endurance. High energy density is essential for extending drone flight time, particularly in applications requiring long endurance, such as industrial inspections or emergency response. The ability to prevent overheating and ensure safe operation under varying conditions is paramount, making the selection of the right battery crucial for mission success.
Why this Cell
The Amprius SA11 cell is ideal for EVTOL applications due to its high energy density and robust discharge capabilities. With a maximum continuous discharge of 90 A, it is in the top-quartile compared to the median of 30 A, allowing for efficient power delivery during critical flight phases. Its gravimetric energy density of 334 Wh/kg, which is +59% above the median, ensures that UAVs can carry more payload while maintaining extended flight times. This cell's performance metrics align perfectly with the demands of UAV battery optimisation, making it a top choice for engineers designing lightweight drone battery packs.
How Model-Based Design Helps
Simulation and model-based design play a vital role in optimising the selection of the Amprius SA11 cell for EVTOL applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict the cell's performance under various conditions. This approach allows for the identification of the optimal duty cycle and flight speed, ensuring that the cell operates within safe thermal limits while delivering the required energy. Furthermore, simulations can help in assessing the impact of different environmental factors on battery performance, enabling more reliable mission planning and execution.
