Murata VTC5A Drones Weight v power trade off in pack design - how to pick the right balance.
Explore the Murata VTC5A cell for drones, optimising weight and power in UAV battery design for enhanced performance and endurance.
Value Propositions
Cylindrical 18650 form factor for versatile applications.
Nominal capacity of 9.36 Wh and 2.6 Ah for reliable energy supply.
Top-quartile volumetric energy density of 543 Wh/l for compact designs.
Maximum continuous discharge of 35 A for high-performance demands.
Gravimetric power density of 2,681 W/kg, ideal for dynamic UAV operations.
About the Cell
The Murata VTC5A is a cylindrical 18650 lithium-ion cell designed for drone applications, featuring a nominal capacity of 9.36 Wh and 2.6 Ah. With a volumetric energy density of 543 Wh/l, it ranks in the top-quartile compared to the database median of 542 Wh/l, ensuring compact battery designs without sacrificing performance. The cell also boasts a maximum continuous discharge of 35 A, which is significantly above the median of 30 A, making it suitable for high-demand UAV operations. Additionally, its gravimetric energy density of 199 Wh/kg is competitive, providing a lightweight solution for drone battery packs. This combination of features makes the VTC5A an excellent choice for applications requiring both power and efficiency.
Application Challenges
In the realm of drones, achieving the right balance between weight and power is crucial for optimal performance. The challenge lies in selecting a battery that not only meets the energy demands of the UAV but also adheres to strict weight limitations. A lightweight battery can extend flight times and enhance manoeuvrability, while a high-energy density cell ensures that the drone can carry out its mission effectively. The Murata VTC5A addresses these challenges with its impressive specifications, allowing for efficient UAV battery pack design that maximises endurance and reliability. The need for high discharge rates and thermal management is paramount, especially in demanding environments where overheating can lead to mission failure.
Why this Cell
The Murata VTC5A cell stands out in the competitive landscape of drone batteries due to its exceptional specifications. With a maximum continuous discharge of 35 A, it is well-suited for high-performance UAV applications, providing a top-quartile performance compared to the median of 30 A in the database. Its volumetric energy density of 543 Wh/l allows for compact battery designs, essential for maintaining a lightweight profile in drone applications. Furthermore, the cell's gravimetric power density of 2,681 W/kg ensures that it can deliver the necessary power for dynamic flight operations, making it an ideal choice for drone battery optimisation. This combination of high energy density and robust discharge capabilities makes the VTC5A a preferred option for custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a critical role in optimising battery selection for drone applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the Murata VTC5A will perform under various conditions. This approach allows for the identification of the optimal cell for specific mission profiles, ensuring that the selected battery can deliver the required thrust and energy throughout the flight. For instance, simulations can reveal how the cell behaves under high discharge rates, helping to prevent overheating and ensuring safe operation. Additionally, by evaluating the usable energy and thermal rise, designers can make informed decisions that enhance UAV performance and reliability. This predictive capability reduces the risk of trial-and-error testing, leading to more efficient and effective drone battery designs.
