Molicel P26A Drones Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Discover the Molicel P26A cell for drones, designed to maximise flight time and optimise performance under demanding conditions.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 9.0 Wh and 2.5 Ah for reliable energy output.
Top-quartile volumetric power density of 7111 W/l for high performance.
Maximum continuous discharge of 35.0 A for demanding applications.
Gravimetric energy density of 187.5 Wh/kg for lightweight solutions.

About the Cell
The Molicel P26A is a cylindrical 18650 lithium-ion cell with a nominal capacity of 9.0 Wh and 2.5 Ah, making it an ideal choice for drone applications. With a volumetric energy density of 508 Wh/l, it provides significant energy in a compact form. Its gravimetric energy density of 188 Wh/kg ensures that drones can maintain lightweight designs while achieving long flight times. The cell's maximum continuous discharge rate of 35.0 A and a volumetric power density of 7111 W/l position it among the highest in the database, enabling it to handle high power demands efficiently. This combination of features makes the P26A a top choice for UAV battery pack design, particularly for applications requiring high energy density and lightweight solutions.
Application Challenges
In the realm of drones, maximising flight time is critical. The Molicel P26A cell addresses the challenge of optimising cell selection, duty cycle, and flight speed to achieve extended airtime. Current and energy management are vital for ensuring that drones can operate effectively in various environments. High energy density is essential for long endurance missions, while lightweight battery packs are necessary to enhance overall drone performance. The P26A's specifications allow for efficient energy use, which is crucial for applications such as industrial inspections and emergency response missions where every minute of flight counts.
Why this Cell
The Molicel P26A cell is specifically designed to meet the demands of drone applications. With a maximum continuous discharge rate of 35.0 A, it is positioned in the top-quartile compared to the median of 30 A in the database, allowing for robust performance during high-drain operations. Its volumetric energy density of 508 Wh/l is around the median, ensuring that drones can carry sufficient energy without compromising on weight. This cell's lightweight design and high energy output make it an excellent choice for UAV battery optimisation, enabling longer missions and improved operational efficiency. The combination of high power density and energy capacity ensures that the P26A can support various drone applications, from heavy-lift operations to long-range surveys.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Molicel P26A cell in drone applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under different conditions. This approach allows for the identification of optimal duty cycles and flight speeds, ensuring that the drone can achieve maximum flight time without risking battery overheating or failure. For instance, simulations can help determine the best energy management strategies, enabling operators to make informed decisions about mission feasibility based on battery state of charge (SoC) and environmental conditions. This predictive capability is essential for enhancing UAV mission endurance and reliability, particularly in challenging environments.


