Tenpower 40TG 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.
Discover the Tenpower 40TG cell for drones, designed for fast charging without overheating. Ideal for UAV battery optimisation and endurance.
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 lightweight applications.
Maximum continuous discharge of 35 A, ensuring high power output.
Gravimetric power density of 1,881 W/kg, suitable for demanding UAV tasks.
About the Cell
The Tenpower 40TG cell features a cylindrical 21700 form factor, offering a nominal capacity of 14.4 Wh and 4.0 Ah. With a volumetric energy density of 575 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l. The gravimetric energy density of 215 Wh/kg is around the median, providing a good balance of weight and energy storage. The cell also boasts a volumetric power density of 5,030 W/l, which is among the highest in the database, and a gravimetric power density of 1,881 W/kg, making it suitable for high-performance applications. The maximum continuous discharge rate of 35 A and a maximum continuous charge rate of 6 A ensure that the cell can handle demanding operational requirements, particularly in drone applications where rapid energy delivery is critical.
Application Challenges
In the context of drones, fast charging presents unique challenges. The need to charge batteries quickly without overheating is paramount to prevent lithium plating, which can degrade battery performance and safety. The Tenpower 40TG cell is designed to address these challenges, with a maximum continuous charge rate of 6 A, allowing for efficient energy transfer while maintaining thermal stability. This is crucial for UAV battery optimisation, where high energy density and lightweight designs are essential for extended flight times. The ability to manage thermal conditions effectively ensures that drones can operate in various environments without compromising safety or performance.
Why this Cell
The Tenpower 40TG cell is ideal for drone applications due to its impressive specifications. With a maximum continuous discharge rate of 35 A, it provides the necessary power for demanding tasks, while its volumetric energy density of 575 Wh/l ensures that drones can carry more payload without increasing weight. This cell's performance is particularly relevant for applications requiring fast charging, as it can be charged at a maximum continuous charge rate of 6 A, which is significant compared to the database median of 8 A. This combination of high energy density and efficient charging makes the 40TG an excellent choice for UAV battery pack design, ensuring that drones can achieve longer missions without overheating or risking battery integrity.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 40TG cell for drone applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including rapid charging scenarios. This approach allows for accurate modelling of heat generation and voltage response, which is essential for ensuring that the cell operates within safe temperature limits. For instance, by using cell-specific data, engineers can assess the impact of different charging rates on battery life and performance, enabling them to select the most suitable cells for specific UAV missions. This predictive capability not only enhances battery thermal management but also improves overall UAV powertrain efficiency, ensuring that drones can operate reliably in demanding environments.
