Amprius SA02 Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Amprius SA02 cell for drones, designed to maximise flight time with high energy density and optimal performance in challenging conditions.
Value Propositions
Pouch form factor with nominal capacity of 38.5 Wh and 11.0 Ah.
Volumetric energy density of 740 Wh/l, top-quartile vs median of 542 Wh/l.
Gravimetric energy density of 340 Wh/kg, around median of 210 Wh/kg.
Maximum continuous discharge of 33.0 A, top-quartile vs median of 30 A.
Volumetric power density of 2,219 W/l, around median of 2,029 W/l.
About the Cell
The Amprius SA02 cell is a pouch-type lithium-ion battery with a nominal capacity of 38.5 Wh and 11.0 Ah. It features a volumetric energy density of 740 Wh/l, which is in the top-quartile compared to the database median of 542 Wh/l. The gravimetric energy density stands at 340 Wh/kg, which is around the median of 210 Wh/kg. Additionally, the cell boasts a maximum continuous discharge rate of 33.0 A, placing it in the top-quartile compared to the median of 30 A. Its volumetric power density is recorded at 2,219 W/l, which is around the median of 2,029 W/l. This combination of high energy and power densities makes the SA02 an excellent choice for applications requiring extended flight times and efficient energy management.
Application Challenges
In the context of drones, maximising flight time is critical. The Amprius SA02 cell addresses this challenge by providing high energy density, which translates to longer operational periods without the need for frequent recharges. The ability to optimise cell selection, duty cycle, and flight speed is essential for ensuring that drones can perform their missions effectively, especially in demanding environments. The high discharge rates and energy densities of the SA02 allow for efficient power management, which is crucial for applications ranging from industrial inspections to emergency response. The challenge lies in balancing the weight of the battery with its capacity to deliver power over extended periods, ensuring that drones can operate reliably and safely.
Why this Cell
The Amprius SA02 cell is specifically designed to meet the demands of drone applications. With a maximum continuous discharge of 33.0 A, it is in the top-quartile compared to the median of 30 A, ensuring that it can handle high power draws during critical flight phases. The volumetric energy density of 740 Wh/l is also a significant advantage, as it allows for longer flight times without increasing the weight of the battery pack. This is particularly important for UAVs that require lightweight solutions to enhance their endurance. The combination of high energy and power densities makes the SA02 an ideal choice for applications that demand both performance and reliability, such as long endurance drone missions and heavy-lift operations.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Amprius SA02 cell for drone applications. By simulating load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under various conditions. This allows for informed decisions regarding cell selection and battery pack design, ensuring that the chosen configuration meets the specific needs of the mission. For instance, modelling can help identify the optimal duty cycle and flight speed that maximises flight time while preventing overheating and ensuring safe operation. By leveraging cell-specific data, designers can avoid costly trial-and-error testing, leading to more efficient development processes and improved mission outcomes.
