Tenpower 20SG Drones Safety and risk management - particularly around overheating and thermal runaway during flight.
Explore the Tenpower 20SG cell for drones, designed for safety and risk management, ensuring optimal performance and reliability during flight.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 7.4 Wh and 2.0 Ah for efficient energy storage.
Top-quartile volumetric power density of 6257 W/l for high performance.
Gravimetric energy density of 172 Wh/kg for lightweight applications.
Maximum continuous discharge of 30 A for demanding UAV applications.

About the Cell
The Tenpower 20SG cell is a cylindrical 18650 battery with a nominal capacity of 7.4 Wh and 2.0 Ah, making it ideal for drone applications. With a volumetric energy density of 417 Wh/l, it stands out in the market, being around the median compared to other cells. Its gravimetric energy density of 172 Wh/kg is also competitive, ensuring lightweight solutions for UAVs. The cell's volumetric power density of 6257 W/l places it in the top-quartile, providing the necessary power for high-performance drone operations. The maximum continuous discharge rate of 30 A allows for robust performance in demanding scenarios, while the maximum continuous charge rate of 6 A supports quick recharging, making it suitable for various applications in the drone industry. Overall, the 20SG cell is designed to meet the rigorous demands of drone battery design, ensuring safety and efficiency during operation.
Application Challenges
In the context of drones, safety and risk management are paramount, especially concerning overheating and thermal runaway during flight. The Tenpower 20SG cell addresses these challenges by providing a high energy density that allows for extended flight times, crucial for missions requiring long endurance. The lightweight design of the cell contributes to improved UAV mission endurance, enabling drones to carry heavier payloads without compromising performance. Additionally, the high discharge rate capability of 30 A ensures that the drone can perform demanding tasks without risking battery failure. Effective battery thermal management is essential to prevent overheating, and the 20SG cell's design facilitates this by maintaining optimal operating temperatures during flight. This is particularly important in extreme environments where temperature fluctuations can impact battery performance and safety.
Why this Cell
The Tenpower 20SG cell is specifically engineered for drone applications, addressing the critical challenges of safety and performance. With a maximum continuous discharge rate of 30 A, it is positioned in the top-quartile compared to the median of 30 A in the database, ensuring that it can handle high power demands without overheating. Its volumetric energy density of 417 Wh/l is competitive, allowing for longer flight times, which is essential for applications such as industrial inspections and emergency response. The lightweight design, with a gravimetric energy density of 172 Wh/kg, supports the development of lightweight drone battery packs, enhancing overall UAV efficiency. The cell's robust thermal management capabilities further ensure safety during operation, making it an ideal choice for UAV battery pack design and optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Tenpower 20SG cell for drone applications. By modelling load profiles and thermal behaviour, engineers can predict how the cell will perform under various conditions, including high discharge rates and extreme temperatures. This predictive capability allows for the selection of the most suitable cells for specific missions, ensuring that the drone can operate reliably without the risk of thermal runaway. For instance, simulations can identify the optimal charge and discharge rates, helping to prevent overheating and extend the lifespan of the battery. Furthermore, by analysing voltage sag and usable energy, designers can make informed decisions about battery pack configurations, ultimately improving drone powertrain efficiency. This approach not only enhances the safety and reliability of drone operations but also reduces the need for costly trial-and-error testing, streamlining the development process for custom UAV battery packs.


