Tenpower 40XG Drones Fast charge of the batteries - how to charge the battery quickly without overheating the cells or causing lithium plating which could degrade the battery or cause it to catch fire.
Explore the Tenpower 40XG cell for drones, designed for fast charging without overheating, ensuring safety and efficiency in UAV applications.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable performance.
Top-quartile volumetric energy density of 575 Wh/l for efficient space use.
Maximum continuous discharge of 90 A, ideal for high-demand applications.
High gravimetric power density of 4,765 W/kg for rapid energy delivery.
About the Cell
The Tenpower 40XG cell features a cylindrical 21700 form factor, boasting a nominal capacity of 14.4 Wh and 4.0 Ah. With a volumetric energy density of 575 Wh/l, it stands out in the market, being in the top-quartile compared to the median of 542 Wh/l. The cell's gravimetric energy density is 212 Wh/kg, which is around the median, ensuring a lightweight solution for drone applications. Additionally, it offers a maximum continuous discharge of 90 A, which is among the highest in the database, providing robust performance for demanding UAV tasks. The volumetric power density of 12,934 W/l is also impressive, being in the top-quartile compared to the median of 2,029 W/l, making it suitable for applications requiring quick bursts of energy.
Application Challenges
In the context of drones, fast charging presents unique challenges. The need to charge batteries quickly without overheating is critical, as overheating can lead to lithium plating, which degrades battery performance and poses safety risks. The Tenpower 40XG cell's design addresses these challenges by allowing a maximum continuous charge of 16 A, which is significantly higher than the median of 8 A in the database. This capability enables rapid charging while maintaining thermal stability, essential for UAV operations that demand quick turnaround times. Moreover, the cell's high energy density ensures that drones can achieve longer flight times, addressing the pain point of extending drone flight time battery, which is crucial for mission success.
Why this Cell
The Tenpower 40XG cell is specifically designed for fast charging in drone applications. With a maximum continuous charge rate of 4.0 C, it allows for quick recharging without compromising safety, which is vital for UAV operations. The cell's volumetric energy density of 575 Wh/l is top-quartile, providing a compact solution that maximises energy storage in limited space. Additionally, the high maximum continuous discharge of 90 A ensures that the cell can handle demanding power requirements during flight, making it ideal for high energy density drone batteries. This combination of features makes the 40XG an excellent choice for custom UAV battery packs that require both performance and safety.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 40XG cell for drone applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including fast charging scenarios. This approach allows for the identification of potential overheating issues before they occur, ensuring that the cell operates within safe limits. Furthermore, simulations can help in understanding voltage sag and usable energy, enabling designers to select the best cells for UAVs based on specific mission profiles. This predictive capability is essential for improving UAV mission endurance and preventing drone battery overheating, ultimately leading to safer and more reliable drone operations.
