Tenpower 50SG Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Tenpower 50SG cell designed for EVTOL applications, optimising flight time and performance for drones in challenging environments.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 18.0 Wh and 5.0 Ah for reliable energy delivery.
Top-quartile power density (+58% vs median 1,177 W/kg) for high performance.
Volumetric energy density of 707 Wh/l, significantly above median values.
Maximum continuous discharge of 30 A, ensuring robust performance under load.

About the Cell
The Tenpower 50SG cell features a cylindrical 21700 form factor, optimised for EVTOL applications. With a nominal capacity of 18.0 Wh and 5.0 Ah, it delivers reliable energy for various drone operations. The cell boasts a volumetric energy density of 707 Wh/l, which is significantly higher than the median of 542 Wh/l, making it an excellent choice for long endurance missions. Additionally, its gravimetric energy density of 257 Wh/kg positions it well within the top quartile compared to the median of 210 Wh/kg. The power density is also impressive, with a volumetric power density of 4,240 W/l, which is among the highest in the database, and a gravimetric power density of 1,543 W/kg, which is +31% vs the median. This combination of high energy and power densities ensures that the 50SG cell can support demanding UAV applications, particularly in maximising flight time while maintaining safety and efficiency.
Application Challenges
In EVTOL applications, maximising flight time is critical. Drones must optimise cell selection, duty cycle, and flight speed to achieve the longest possible airtime. The challenge lies in balancing energy capacity with the weight of the battery, as well as ensuring that the battery can handle high discharge rates without overheating. The Tenpower 50SG cell addresses these challenges with its high energy density and robust discharge capabilities. In practical terms, this means that operators can rely on the 50SG to extend drone flight times, improve mission endurance, and prevent overheating during demanding operations. The ability to accurately predict the state of charge (SoC) is also vital, as it influences mission planning and execution, particularly in extreme environments.
Why this Cell
The Tenpower 50SG cell is specifically designed to meet the demands of EVTOL applications. With a maximum continuous discharge of 30 A, it ensures that drones can perform at their peak without compromising safety. This performance is complemented by a volumetric energy density of 707 Wh/l, which is significantly above the median, allowing for longer missions without increasing weight. The high gravimetric power density of 1,543 W/kg supports rapid energy delivery, making it ideal for high discharge rate UAV batteries. This combination of features makes the 50SG an excellent choice for custom UAV battery packs, ensuring that operators can achieve their flight time goals while maintaining efficiency and safety.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising battery selection for EVTOL 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 the identification of the best cell for specific mission profiles, ensuring that the battery can deliver the required thrust and energy throughout the flight. For instance, simulating thermal rise and internal temperature can help prevent overheating, which is critical for maintaining battery integrity during long missions. Additionally, accurate predictions of usable energy and voltage sag enable operators to make informed decisions about mission feasibility, particularly in challenging environments. This predictive capability reduces the risk of mid-air failures and enhances overall mission reliability.


