Tenpower 50XG 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 50XG cell for fast charging UAV applications, optimising performance while preventing overheating and degradation.
Value Propositions
Cylindrical 21700 form factor for efficient design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy delivery.
Top-quartile volumetric power density of 6,360 W/l for rapid energy output.
Gravimetric energy density of 257 Wh/kg, supporting lightweight UAV designs.
Maximum continuous discharge of 45 A, ideal for high-demand applications.
About the Cell
The Tenpower 50XG cell features a cylindrical 21700 form factor, providing a nominal capacity of 18.0 Wh and 5.0 Ah. With a volumetric energy density of 707 Wh/l, it ranks among the highest in the database, significantly exceeding the median of 542 Wh/l by +30%. The gravimetric energy density of 257 Wh/kg is also impressive, surpassing the median of 210 Wh/kg by +22%. This cell is designed for high-performance applications, particularly in UAVs where weight and energy efficiency are critical. The volumetric power density of 6,360 W/l places it in the top-quartile, +53% vs the median of 2,029 W/l, making it suitable for rapid energy demands. Additionally, the maximum continuous discharge rate of 45 A ensures that it can handle high current draws without overheating, which is essential for fast charging scenarios.
Application Challenges
In the EVTOL application, fast charging of batteries is crucial to ensure that drones can be deployed quickly without compromising safety. The challenge lies in charging the battery quickly while preventing overheating and lithium plating, which can degrade the battery and pose safety risks. The Tenpower 50XG cell's high maximum continuous discharge rate of 45 A allows for rapid charging, but careful thermal management is necessary to avoid overheating. Effective battery thermal management is essential to maintain performance and safety during fast charge cycles, especially in high-demand UAV applications.
Why this Cell
The Tenpower 50XG cell is particularly suited for fast charging in EVTOL applications due to its high energy density and robust discharge capabilities. With a volumetric energy density of 707 Wh/l, it provides significant energy storage in a compact size, making it ideal for lightweight drone battery packs. Its maximum continuous discharge of 45 A ensures that it can meet the high current demands during fast charging without overheating, which is critical for maintaining battery integrity. Compared to the median maximum continuous discharge of 30 A in the database, the 50XG offers a +50% advantage, ensuring reliable performance under load.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 50XG cell for fast charging applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various charging conditions. This includes assessing heat generation during rapid charging and ensuring that the cell operates within safe temperature limits. The ability to simulate voltage sag and usable energy allows for accurate predictions of battery performance, enabling engineers to select the best cells for UAV applications. This approach reduces the risk of overheating and ensures that the battery can deliver the required power without compromising safety.
