top of page

Amprius SA08 EVTOL Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.

Explore the Amprius SA08 cell for EVTOL applications, designed to maximise flight time while overcoming core technical challenges.

Value Propositions

  • Pouch form factor with nominal capacity of 36.72 Wh and 10.8 Ah.

  • Volumetric energy density of 730 Wh/l, top-quartile vs median of 541 Wh/l.

  • Gravimetric energy density of 338 Wh/kg, +60% vs database median of 210 Wh/kg.

  • Maximum continuous discharge of 54 A, top-quartile vs median of 30 A.

  • Volumetric power density of 3652 W/l, +80% vs database median of 2029 W/l.

cell (45).png

About the Cell

The Amprius SA08 cell is a pouch-type lithium-ion battery designed for high-performance applications. With a nominal capacity of 36.72 Wh and 10.8 Ah, it delivers exceptional energy storage capabilities. The cell boasts a volumetric energy density of 730 Wh/l, placing it in the top-quartile compared to the median of 541 Wh/l in the market. Its gravimetric energy density of 338 Wh/kg is also impressive, exceeding the database median by 60%. Additionally, the maximum continuous discharge rate of 54 A positions it among the highest in the database, ensuring robust performance during demanding operations. The volumetric power density of 3652 W/l further enhances its suitability for applications requiring rapid energy delivery, making it an ideal choice for UAVs and drones.

Application Challenges

In EVTOL applications, maximising flight time is critical. The Amprius SA08 cell addresses this challenge by optimising cell selection, duty cycle, and flight speed. The ability to deliver high energy density is essential for extending drone flight time, particularly in demanding environments. Current battery technologies often struggle with thermal management and energy efficiency, which can lead to reduced mission endurance. The SA08's high discharge capabilities and energy density mitigate these issues, allowing for longer operational periods without compromising safety or performance. By leveraging advanced battery thermal management techniques, the SA08 ensures reliable operation even under extreme conditions, making it a suitable choice for various UAV applications.

Why this Cell

The Amprius SA08 cell is specifically designed to meet the rigorous demands of EVTOL applications. With a maximum continuous charge rate of 32.4 A, it supports rapid recharging, essential for maintaining operational efficiency. The cell's volumetric energy density of 730 Wh/l and gravimetric energy density of 338 Wh/kg provide significant advantages over competitors, which typically offer lower energy densities. This means that UAVs using the SA08 can achieve longer flight times and improved payload capacities. Furthermore, the maximum continuous discharge rate of 54 A ensures that the cell can handle high power demands during critical flight phases, positioning it as a top choice for drone battery design and UAV battery optimisation.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the Amprius SA08 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 optimal duty cycles and flight speeds, ensuring that the cell operates efficiently throughout its lifecycle. For instance, simulations can reveal how the cell behaves under high discharge rates, helping to prevent overheating and extend battery life. Additionally, accurate predictions of state-of-charge (SoC) enable operators to make informed decisions about mission feasibility, particularly in challenging environments. Overall, simulation enhances the reliability and effectiveness of UAV battery performance testing, leading to improved mission outcomes.

bottom of page