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Tenpower 15SG 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 15SG cell for drones, designed for fast charging without overheating, ensuring safety and efficiency in UAV applications.

Value Propositions

  • Cylindrical 18650 form factor for compact design.

  • Nominal capacity of 5.55 Wh and 1.5 Ah for reliable energy supply.

  • Top-quartile power density (+58% vs median W/kg) for brisk current draws.

  • Maximum continuous discharge of 30 A for demanding applications.

  • Volumetric energy density of 313 Wh/l for efficient space utilisation.

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About the Cell

The Tenpower 15SG cell is a cylindrical 18650 battery with a nominal capacity of 5.55 Wh and 1.5 Ah, making it suitable for various drone applications. With a volumetric energy density of 313 Wh/l, it provides efficient energy storage, while its gravimetric energy density of 132 Wh/kg ensures lightweight design. The cell boasts a maximum continuous discharge of 30 A, placing it in the top-quartile compared to the median of 30 A in the database. Additionally, its volumetric power density of 6257 W/l is among the highest in the database, facilitating quick energy delivery when needed. The standard charge current of 0.75 A and maximum continuous charge of 6 A allow for efficient charging without compromising safety, making it ideal for fast charging scenarios in UAVs. This cell is designed to meet the rigorous demands of drone operations, ensuring both performance and reliability.

Application Challenges

In the context of drones, fast charging presents unique challenges. The need to charge batteries quickly without overheating is critical to prevent lithium plating, which can degrade battery performance and pose safety risks. The Tenpower 15SG cell addresses these challenges with its robust design and high discharge capabilities. The maximum continuous discharge of 30 A allows for rapid energy release, essential for high-performance UAVs. Furthermore, the cell's thermal management capabilities are crucial in maintaining safe operating temperatures during fast charging. As drone technology advances, the demand for lightweight, high energy density batteries increases, making the 15SG an optimal choice for UAV battery pack design. The ability to extend flight time while ensuring safety and performance is paramount in the competitive drone market.

Why this Cell

The Tenpower 15SG cell is specifically engineered for drone applications requiring fast charging capabilities. With a maximum continuous charge rate of 6 A, it supports quick turnaround times for battery charging, which is essential for operational efficiency in UAV missions. The cell's volumetric energy density of 313 Wh/l allows for compact battery designs, enabling manufacturers to create lightweight drone battery packs without sacrificing performance. Compared to the database median, the 15SG's gravimetric power density of 2643 W/kg is in the top-quartile, ensuring that drones can achieve high power outputs without overheating. This makes the 15SG an excellent choice for applications demanding high energy density and rapid discharge rates, such as heavy-lift drones and long endurance missions.

How Model-Based Design Helps

Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 15SG cell in drone applications. By simulating load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including fast charging scenarios. This predictive capability allows for the identification of potential overheating issues before they occur, ensuring that the cell operates safely within its thermal limits. Additionally, modelling voltage sag and usable energy helps in selecting the right cell for specific UAV missions, enhancing overall powertrain efficiency. By leveraging these simulations, manufacturers can confidently design drone battery packs that maximise flight time and minimise risks associated with battery overheating, ultimately leading to safer and more reliable UAV operations.

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