Tenpower 50SG Weight v power trade off in pack design - how to pick the right balance.
Explore the Tenpower 50SG cell for UAV applications, balancing weight and power for optimal drone performance and endurance.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy supply.
Top-quartile volumetric energy density of 707 Wh/l for efficient space usage.
Maximum continuous discharge of 30.0 A, ensuring high performance under load.
Gravimetric power density of 1543 W/kg, ideal for dynamic UAV applications.

About the Cell
The Tenpower 50SG cell features a cylindrical 21700 form factor, optimised for UAV applications. With a nominal capacity of 18.0 Wh and 5.0 Ah, it provides a reliable energy source for various drone operations. The cell boasts a volumetric energy density of 707 Wh/l, placing it in the top-quartile compared to the database median of 542 Wh/l, making it an excellent choice for compact battery designs. Additionally, its maximum continuous discharge rate of 30.0 A positions it among the highest in the database, ensuring robust performance during demanding tasks. The gravimetric energy density of 257.1 Wh/kg also supports lightweight drone battery packs, crucial for enhancing flight efficiency and endurance.
Application Challenges
In the context of EVTOL and the weight versus power trade-off in pack design, selecting the right battery cell is paramount. Drones require a delicate balance between weight and power output to achieve optimal flight times and performance. The Tenpower 50SG cell's specifications allow for effective UAV battery pack design, addressing challenges such as extending drone flight time and improving mission endurance. The high energy density of the 50SG cell enables longer flight durations, essential for applications like industrial inspections and emergency response. Furthermore, the ability to manage thermal performance is critical in preventing overheating during high discharge scenarios, ensuring safe operation in various environments.
Why this Cell
The Tenpower 50SG cell stands out for its impressive metrics, particularly in the context of EVTOL and the weight versus power trade-off. With a volumetric power density of 4240 W/l, which is +109% vs the database median of 2029 W/l, it supports high energy demands while maintaining a compact size. This cell's gravimetric power density of 1543 W/kg is also noteworthy, positioning it in the top-quartile compared to the median of 750 W/kg. These characteristics make it an ideal choice for UAV applications, where both weight and power are critical for performance. By leveraging the 50SG cell, designers can optimise battery thermal management and enhance drone powertrain efficiency, leading to improved overall mission success.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in selecting the right battery cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can predict how the Tenpower 50SG cell will perform under various conditions. This approach allows for accurate assessments of usable energy and thermal rise, ensuring that the selected cell meets the specific demands of the mission. For instance, simulating high discharge scenarios can help identify potential overheating issues, enabling designers to implement effective battery thermal management strategies. Furthermore, these simulations can facilitate the optimisation of battery weight versus flight time, ensuring that the UAV can achieve its operational goals efficiently. Overall, model-based design supports informed decision-making, reducing the risks associated with trial-and-error testing.


