Murata VTC5D Maximise flight time - optimise the cell selection, duty cycle and flight speed to maximise flight time.
Explore the Murata VTC5D cell for UAV applications, optimising flight time and performance with high energy density and lightweight design.
Value Propositions
Cylindrical 18650 form factor for compact design.
Nominal capacity of 10.08 Wh and 2.8 Ah for extended use.
Top-quartile volumetric energy density of 575 Wh/l for efficient space use.
Maximum continuous discharge of 35 A, ensuring robust performance.
Gravimetric power density of 2,689 W/kg, ideal for high-demand applications.

About the Cell
The Murata VTC5D is a cylindrical 18650 lithium-ion cell designed for UAV applications, featuring a nominal capacity of 10.08 Wh (2.8 Ah). With a volumetric energy density of 575 Wh/l, it stands out in the market, being in the top-quartile compared to the median of 542 Wh/l. Its gravimetric energy density of 215 Wh/kg is also competitive, being around the median of 210 Wh/kg. The cell supports a maximum continuous discharge of 35 A, which is significantly higher than the median of 30 A, making it suitable for high energy demands in UAV operations. The volumetric power density of 7,184 W/l is among the highest in the database, providing excellent performance for rapid energy delivery.
Application Challenges
In the EVTOL sector, maximising flight time is critical. The Murata VTC5D cell is engineered to optimise the cell selection, duty cycle, and flight speed, ensuring that UAVs can operate efficiently over extended periods. The challenge lies in balancing energy consumption with the need for high discharge rates, especially in demanding environments. The VTC5D's high energy density allows for longer missions without increasing weight, addressing the pain points of extending drone flight time and improving UAV mission endurance. Additionally, the cell's thermal management capabilities help prevent overheating, ensuring safe operation during critical missions.
Why this Cell
The Murata VTC5D cell is an excellent choice for UAV applications due to its impressive specifications. With a maximum continuous charge of 6 A, it allows for rapid recharging, which is essential for operational efficiency. Its volumetric energy density of 575 Wh/l is in the top-quartile compared to the median of 542 Wh/l, enabling longer flight times without compromising payload capacity. The cell's gravimetric power density of 2,689 W/kg ensures that it can handle high discharge rates, making it ideal for applications requiring quick bursts of power. This combination of features makes the VTC5D a prime candidate for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the Murata VTC5D cell for UAV applications. By modelling load profiles and thermal behaviour, engineers can accurately predict how the cell will perform under various conditions, including different duty cycles and flight speeds. This approach allows for the identification of the optimal cell selection for specific missions, ensuring that the UAV can achieve its maximum flight time. Additionally, simulations help in understanding voltage sag and usable energy, which are critical for mission planning and execution. By leveraging these insights, UAV manufacturers can avoid costly trial-and-error testing and enhance the reliability of their drone systems.


