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Enpower Greentech 21700-4.5Ah 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 to maximise flight time for drones while overcoming core technical challenges.

Value Propositions

  • Cylindrical 21700 form factor for optimal energy storage.|Nominal capacity of 15.84 Wh and 4.4 Ah for extended flight.|Top-quartile volumetric energy density of 619 Wh/l for compact designs.|Gravimetric energy density of 230 Wh/kg, ensuring lightweight solutions.|Maximum continuous discharge of 60 A for high-performance applications.

  • The Enpower Greentech 21700-4.5Ah cell is engineered for UAV applications, focusing on maximising flight time.|Designed for high energy density, it supports long endurance missions.|Optimised for thermal management, ensuring safety during operation.|Ideal for custom UAV battery packs, balancing weight and performance.|Suitable for various drone types, including VTOL and fixed-wing.

  • This cell's design allows for efficient battery thermal management, crucial for UAVs.|With a standard charge current of 2.2 A, it supports rapid charging.|The maximum continuous charge of 13.2 A enables quick turnaround times.|Engineered for high discharge rates, it meets demanding UAV requirements.|Perfect for applications requiring reliable energy output in extreme environments.

  • The 21700-4.5Ah cell is a key component in drone battery design, enhancing overall efficiency.|It supports UAV battery optimisation, ensuring peak performance.|With a standard discharge current of 0.88 A, it balances power and efficiency.|The cell's volumetric power density of 8447 W/l is among the highest in the database.|Designed for high energy density drone batteries, it meets rigorous industry standards.

  • This cell is pivotal in extending drone flight time, addressing critical pain points.|It enables accurate SOC prediction, enhancing mission reliability.|The lightweight design contributes to improved UAV mission endurance.|The cell's performance testing ensures it meets high standards for safety.|Ideal for drone battery suppliers looking for reliable solutions.

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About the Cell

The Enpower Greentech 21700-4.5Ah cell features a cylindrical form factor, optimised for UAV applications. With a nominal capacity of 15.84 Wh and 4.4 Ah, it provides substantial energy storage for extended flight times. The cell boasts a volumetric energy density of 619 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l, making it ideal for compact drone designs. Additionally, its gravimetric energy density of 230 Wh/kg ensures that it remains lightweight, which is crucial for drone applications where every gram counts. The maximum continuous discharge of 60 A allows for high-performance applications, ensuring that the cell can handle demanding power requirements. This cell is designed to meet the rigorous standards of the UAV industry, providing reliability and efficiency for various drone types.

Application Challenges

In the context of EVTOL and the challenge to maximise flight time, the Enpower Greentech 21700-4.5Ah cell addresses several critical factors. The ability to optimise cell selection, duty cycle, and flight speed is paramount in ensuring that drones can operate effectively in various environments. High energy density is essential for extending flight times, particularly in applications such as industrial inspections or emergency response missions. The cell's performance characteristics, including its high discharge rates and efficient thermal management, are designed to prevent overheating and ensure safe operation during extended missions. By focusing on these challenges, the 21700-4.5Ah cell supports the evolving needs of UAV operators, enabling them to achieve longer, more reliable flight durations.

Why this Cell

The Enpower Greentech 21700-4.5Ah cell is specifically designed to meet the demands of EVTOL applications, where maximising flight time is critical. With a volumetric energy density of 619 Wh/l, it is positioned in the top-quartile compared to the database median of 542 Wh/l, allowing for compact battery designs that do not compromise on performance. The maximum continuous discharge rate of 60 A ensures that this cell can deliver the necessary power for high-performance UAVs, making it suitable for demanding applications. Additionally, its gravimetric energy density of 230 Wh/kg supports lightweight drone battery packs, which is essential for enhancing overall flight efficiency. This cell's design and performance metrics make it an ideal choice for UAV battery optimisation, ensuring that operators can achieve their mission objectives without sacrificing safety or reliability.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in the selection and optimisation of the Enpower Greentech 21700-4.5Ah cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict the cell's performance under various conditions. This approach allows for accurate assessments of usable energy and helps identify the optimal duty cycle for specific missions. For instance, simulating different flight speeds can reveal how energy consumption varies, enabling operators to standardise energy use across missions. Furthermore, modelling thermal rise ensures that the cell operates within safe temperature limits, preventing overheating and enhancing reliability. This data-driven approach to battery design not only improves performance but also reduces the risk of costly trial-and-error testing, leading to more efficient and effective UAV operations.

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