Lishen 2170LH Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Lishen 2170LH cell for drones, designed to maximise flight time and optimise performance under demanding conditions.
Value Propositions
Cylindrical 21700 form factor for efficient design.
Nominal capacity of 10.8 Wh and 3.0 Ah for reliable energy delivery.
Top-quartile volumetric energy density of 403 Wh/l for compact designs.
Maximum continuous discharge of 45 A, ensuring robust performance.
Gravimetric power density of 2282 W/kg for high energy demands.
About the Cell
The Lishen 2170LH cell features a cylindrical 21700 form factor, providing a nominal capacity of 10.8 Wh and 3.0 Ah. With a volumetric energy density of 403 Wh/l, it is among the highest in the database, significantly enhancing the design of drone battery packs. The cell's gravimetric energy density stands at 152 Wh/kg, which is around the median of 210 Wh/kg, making it a competitive choice for lightweight drone battery packs. Additionally, the volumetric power density of 6049 W/l is top-quartile, exceeding the median of 2029 W/l by +198%. This ensures that the cell can deliver high power outputs necessary for demanding drone applications. The maximum continuous discharge rate of 45 A, equivalent to a discharge C-rate of 15.0, positions it well above the median of 30 A, providing the necessary power for high-energy tasks. Overall, the Lishen 2170LH cell is engineered for performance and reliability in drone applications.
Application Challenges
In the realm of drones, maximising flight time is critical. The Lishen 2170LH cell addresses this challenge by optimising cell selection, duty cycle, and flight speed. The nominal capacity of 10.8 Wh is essential for extending drone flight time, especially in applications requiring long endurance. High energy density is crucial for UAV battery pack design, as it allows for lighter packs that do not compromise on performance. The challenge lies in balancing weight with energy output, ensuring that drones can operate efficiently without overheating or experiencing voltage sag. The Lishen 2170LH's high discharge capabilities are vital for maintaining thrust during demanding flight profiles, making it an ideal choice for UAV battery optimisation.
Why this Cell
The Lishen 2170LH cell is specifically designed to meet the demands of drone applications, particularly in maximising flight time. With a maximum continuous discharge of 45 A, it is positioned in the top-quartile compared to the median of 30 A, ensuring that it can handle high energy demands during flight. The cell's volumetric energy density of 403 Wh/l is also noteworthy, as it is among the highest in the database, allowing for compact battery designs that do not sacrifice performance. This combination of high energy density and robust discharge capabilities makes the Lishen 2170LH an excellent choice for custom UAV battery packs, enabling operators to extend mission endurance without compromising safety or reliability.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Lishen 2170LH cell for drone applications. By modelling load profiles, engineers can predict how the cell will behave under various conditions, including thermal rise and voltage sag. This predictive capability allows for informed decisions regarding cell selection and design, ensuring that the chosen battery can deliver the required energy throughout the flight envelope. For instance, simulating different flight speeds can help identify the optimal cruise velocity that balances energy consumption and aerodynamic efficiency. Additionally, thermal modelling can prevent overheating, a common challenge in high-discharge scenarios. Overall, these simulations enable engineers to select the best cells for UAVs, ensuring that the Lishen 2170LH cell meets the rigorous demands of drone operations.
