Amprius SA88 Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Amprius SA88 cell, designed to maximise flight time for UAVs with high energy density and optimal performance under demanding conditions.
Value Propositions
Pouch form factor with nominal capacity of 33.15 Wh and 9.75 Ah.
Volumetric energy density of 777 Wh/l, top-quartile vs median of 542 Wh/l.
Gravimetric energy density of 356 Wh/kg, around median of 210 Wh/kg.
Maximum continuous charge of 100 A, among the highest in the database.
Volumetric power density of 7968 W/l, +62% vs database median of 2029 W/l.
About the Cell
The Amprius SA88 cell is a pouch-type lithium-ion battery with a nominal capacity of 33.15 Wh and 9.75 Ah. It boasts a volumetric energy density of 777 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l. Its gravimetric energy density is 356 Wh/kg, which is around the median of 210 Wh/kg. The cell supports a maximum continuous charge of 100 A, which is among the highest in the database, ensuring rapid charging capabilities. Additionally, it features a volumetric power density of 7968 W/l, which is +62% higher than the database median of 2029 W/l, making it suitable for high-performance UAV applications.
Application Challenges
In the context of EVTOL applications, maximising flight time is crucial. The Amprius SA88 cell addresses the challenge of optimising cell selection, duty cycle, and flight speed to enhance overall flight duration. High energy density is essential for extending drone flight times, particularly in demanding environments where every minute of airtime is critical. The ability to maintain performance under varying loads and temperatures is vital for ensuring mission success, especially in extreme conditions. Therefore, selecting the right battery cell is paramount to achieving optimal UAV performance and reliability.
Why this Cell
The Amprius SA88 cell is specifically designed to meet the demands of EVTOL applications. With a maximum continuous charge of 100 A, it ensures rapid energy replenishment, which is essential for maintaining high operational efficiency. The cell's volumetric energy density of 777 Wh/l places it in the top-quartile compared to the median of 542 Wh/l, allowing for longer flight times without increasing weight. This is particularly important for UAVs that require lightweight battery packs to enhance endurance. Furthermore, the gravimetric energy density of 356 Wh/kg is around the median, providing a balanced approach to energy storage and weight considerations, making it an ideal choice for UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising battery selection for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the Amprius SA88 cell will perform under various conditions. This includes assessing heat generation during operation and determining usable energy across different flight profiles. Such simulations enable the identification of the most suitable battery cells for specific missions, ensuring that UAVs can achieve their required performance without risking battery failure. By leveraging cell-specific data, operators can make informed decisions that enhance mission reliability and efficiency.
