EVE Energy 40PL Mission feasibility assessment - asses what missions or use cases are possible or not using a go/no-go decision using simulation.
Explore the EVE Energy 40PL cell for UAV applications, optimising mission feasibility with high energy density and performance metrics.
Value Propositions
Cylindrical 21700 form factor for compact design.
Nominal capacity of 14.4 Wh and 4.0 Ah for reliable performance.
Volumetric energy density of 578 Wh/l, top-quartile vs median 542 Wh/l.
Gravimetric power density of 3,761 W/kg, +40% vs database median of 750 W/kg.
Maximum continuous discharge of 70 A, top-quartile vs median 30 A.

About the Cell
The EVE Energy 40PL cell is a cylindrical 21700 battery designed for high-performance applications. With a nominal capacity of 14.4 Wh (4.0 Ah), it delivers exceptional energy density, boasting a volumetric energy density of 578 Wh/l, which is in the top-quartile compared to the database median of 542 Wh/l. The gravimetric energy density stands at 215 Wh/kg, which is around the median of 210 Wh/kg. This cell also features a maximum continuous discharge rate of 70 A, placing it in the top-quartile against the median of 30 A, making it suitable for demanding UAV applications. Additionally, the volumetric power density is an impressive 10,108 W/l, which is among the highest in the database, providing robust performance for high-drain scenarios. The standard charge current is 2.0 A, with a maximum continuous charge of 8.0 A, ensuring efficient charging capabilities.
Application Challenges
In the context of EVTOL and mission feasibility assessment, the EVE Energy 40PL cell addresses critical challenges in drone battery design. The ability to assess what missions or use cases are possible using a go/no-go decision is paramount. High energy density is essential for extending drone flight times, especially in demanding environments. The 40PL's volumetric energy density of 578 Wh/l allows for longer missions without increasing weight, which is crucial for UAVs operating in extreme conditions. Furthermore, the high discharge rates ensure that the battery can handle the power demands of various UAV applications, making it a reliable choice for mission-critical operations.
Why this Cell
The EVE Energy 40PL cell is an ideal choice for EVTOL applications due to its impressive specifications. With a maximum continuous discharge rate of 70 A, it is in the top-quartile compared to the median of 30 A, ensuring that it can meet the high power demands of UAVs. Its volumetric energy density of 578 Wh/l, which is +7% vs the median, allows for longer flight times, addressing the pain point of extending drone flight time. The lightweight design, combined with a gravimetric energy density of 215 Wh/kg, makes it suitable for applications where weight is a critical factor. This cell's performance metrics make it a strong candidate for UAV battery optimisation and custom UAV battery packs.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in optimising the performance of the EVE Energy 40PL cell for UAV applications. By modelling load profiles, thermal behaviour, and voltage response, engineers can accurately predict how the cell will perform under various conditions. This approach allows for the assessment of mission feasibility by simulating different flight scenarios, including varying temperatures and state of charge (SoC) levels. The ability to model these factors ensures that the selected battery can deliver the required thrust and energy throughout the entire flight envelope. This predictive capability is essential for making informed go/no-go decisions, ultimately enhancing mission reliability and efficiency.


