Enpower Greentech 21700-4.5Ah Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Enpower Greentech 21700-4.5Ah cell designed for drones, optimising flight time and performance in demanding applications.
Value Propositions
Cylindrical 21700 form factor with a nominal capacity of 15.84 Wh and 4.4 Ah.
Volumetric energy density of 619 Wh/l, placing it in the top-quartile vs median.
Gravimetric energy density of 230 Wh/kg, around the median for high-performance cells.
Maximum continuous discharge of 60 A, among the highest in the database.
Volumetric power density of 8,447 W/l, +66% vs database median of 2,029 W/l.
About the Cell
The Enpower Greentech 21700-4.5Ah cell is a cylindrical lithium-ion battery designed specifically for drone applications. With a nominal capacity of 15.84 Wh and 4.4 Ah, it provides a robust energy solution for UAVs. Its volumetric energy density of 619 Wh/l is in the top-quartile compared to the database median, ensuring that drones can carry more energy without increasing weight. The gravimetric energy density of 230 Wh/kg is around the median, making it a competitive choice for lightweight drone battery packs. Additionally, the cell boasts a maximum continuous discharge of 60 A, which is among the highest in the database, allowing for high discharge rate UAV batteries that can meet demanding flight profiles. The volumetric power density of 8,447 W/l is impressive, providing the necessary power for rapid acceleration and high-performance operation. Overall, this cell is engineered to enhance drone endurance and efficiency, making it an ideal choice for various UAV applications.
Application Challenges
In the realm of drones, maximising flight time is crucial. The challenge lies in optimising cell selection, duty cycle, and flight speed to achieve this goal. Drones require batteries that can deliver high energy and power densities to ensure long endurance during missions. The Enpower Greentech 21700-4.5Ah cell addresses these needs with its impressive specifications. The ability to maintain high performance under varying loads is essential for applications such as industrial inspections, where every minute of airtime counts. Furthermore, thermal management is critical to prevent overheating, especially during high discharge scenarios. By selecting the right battery, operators can improve UAV mission endurance and ensure reliable performance in extreme environments.
Why this Cell
The Enpower Greentech 21700-4.5Ah cell is specifically designed to meet the demands of drone applications. With a maximum continuous discharge of 60 A, it is among the highest in the database, allowing for high discharge rates that are essential for rapid manoeuvres and heavy payloads. The volumetric energy density of 619 Wh/l places it in the top-quartile, enabling drones to carry more energy without compromising on weight. This is particularly important for long endurance drone batteries, where every gram counts. The cell's gravimetric energy density of 230 Wh/kg is around the median, ensuring a good balance between weight and energy capacity. These features make the Enpower Greentech 21700-4.5Ah cell an excellent choice for UAV battery pack design, optimising both performance and efficiency.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising battery selection for drones. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the Enpower Greentech 21700-4.5Ah cell will perform under various conditions. This approach allows for the identification of the optimal duty cycle and flight speed, ensuring that the battery delivers the required thrust and energy throughout the mission. For instance, simulating thermal rise helps in understanding how the cell behaves under high discharge rates, preventing overheating and ensuring safe operation. Additionally, accurate predictions of state of charge (SoC) enable operators to make informed decisions about mission feasibility, especially in challenging environments. Overall, simulation enhances the reliability of drone operations, allowing for confident battery selection and improved mission outcomes.
