Tenpower 25PG Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Tenpower 25PG cell designed for EVTOL applications, optimising flight time and overcoming core technical challenges in drone battery design.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.0 Wh (2.5 Ah) for efficient energy storage.
Top-quartile volumetric energy density of 507 Wh/l, +6% vs database median.
Maximum continuous discharge of 20 A, ensuring high performance under load.
Gravimetric power density of 1600 W/kg, supporting rapid energy delivery.

About the Cell
The Tenpower 25PG cell features a cylindrical 18650 form factor, making it ideal for compact UAV applications. With a nominal capacity of 9.0 Wh and 2.5 Ah, this cell provides efficient energy storage for extended flight times. Its volumetric energy density of 507 Wh/l places it in the top-quartile compared to the database median of 541.67 Wh/l, ensuring that UAVs can carry more energy without increasing size. Additionally, the cell boasts a maximum continuous discharge of 20 A, which is crucial for high-demand applications, and a gravimetric power density of 1600 W/kg, allowing for rapid energy delivery when needed. This combination of features makes the 25PG a strong candidate for high-performance drone applications.
Application Challenges
In EVTOL applications, maximising flight time is critical. The challenge lies in optimising cell selection, duty cycle, and flight speed to achieve this goal. Current energy capacity directly impacts how long a drone can remain airborne, making it essential to choose cells that not only meet but exceed the minimum requirements. The Tenpower 25PG cell, with its high energy density and robust discharge capabilities, addresses these challenges effectively. By ensuring that the battery can deliver the necessary power without overheating or compromising safety, operators can extend mission endurance and improve overall performance. This is particularly important in scenarios where drones operate in extreme environments or require long endurance for tasks such as surveillance or delivery.
Why this Cell
The Tenpower 25PG cell is specifically designed to meet the demanding needs of EVTOL applications. With a maximum continuous discharge of 20 A, it ensures that drones can perform at high levels without risking battery failure. Its volumetric energy density of 507 Wh/l is not only competitive but also crucial for maintaining lightweight designs, which is essential for flight efficiency. Compared to the database median, this cell's performance is top-quartile, providing operators with confidence in their battery selection. The combination of high energy density and robust discharge rates makes the 25PG an excellent choice for optimising flight time and ensuring reliable performance in various UAV applications.
How Model-Based Design Helps
Simulation and model-based design play a pivotal role in selecting the right battery cells for UAV applications like the Tenpower 25PG. By modelling load profiles, thermal behaviour, and voltage responses, engineers can predict how the cell will perform under different conditions. This approach allows for the identification of the optimal cell for specific mission profiles, ensuring that the battery can deliver the required thrust and energy throughout the flight. For instance, simulating thermal rise helps prevent overheating, while voltage sag analysis ensures that the cell maintains performance even as it discharges. This data-driven approach not only enhances the reliability of battery selection but also reduces the risk of costly trial-and-error testing, ultimately leading to more efficient and effective UAV operations.


