Electric Power EP9543126VVP Fast charge of the batteries - how to charge the battery quickly without overheating the cells or causing lithium plating which could degrade the battery or cause it to catch fire.
Discover the Electric Power EP9543126VVP cell for fast charging UAVs, optimising performance while preventing overheating and degradation.
Value Propositions
Nominal capacity of 26.52 Wh and 6.8 Ah for efficient energy storage.
Volumetric energy density of 492 Wh/l, ensuring compact design for UAV applications.
Gravimetric energy density of 243 Wh/kg, facilitating lightweight drone battery packs.
Maximum continuous discharge of 102 A, top-quartile vs median 30 A for high discharge rate UAV batteries.
Volumetric power density of 7376 W/l, +64% vs database median of 2029 W/l for rapid energy delivery.

About the Cell
The Electric Power EP9543126VVP cell features a pouch form factor with a nominal capacity of 26.52 Wh and 6.8 Ah. With a volumetric energy density of 492 Wh/l and a gravimetric energy density of 243 Wh/kg, this cell is designed for high-performance applications. Its volumetric power density of 7376 W/l is among the highest in the database, making it ideal for fast charging scenarios. The maximum continuous discharge rate of 102 A positions it in the top-quartile compared to the median of 30 A, ensuring it can handle demanding UAV operations. This cell is engineered for efficiency and reliability, making it a prime choice for drone battery design.
Application Challenges
In the EVTOL sector, fast charging of batteries is critical to ensure operational efficiency. The challenge lies in charging the battery quickly without overheating the cells or causing lithium plating, which could degrade the battery or lead to safety hazards. High discharge rates are essential for UAV applications, and the Electric Power EP9543126VVP cell's maximum continuous discharge of 102 A addresses this need effectively. Additionally, the cell's high energy density allows for longer flight times, which is crucial for mission success in various environments. The ability to manage thermal performance during rapid charging is vital to prevent overheating and ensure safe operation.
Why this Cell
The Electric Power EP9543126VVP cell is specifically designed to meet the demands of fast charging in UAV applications. With a maximum continuous charge rate of 27.2 A, it allows for quick energy replenishment while maintaining safety standards. The cell's volumetric energy density of 492 Wh/l ensures that it occupies minimal space, which is essential for lightweight drone battery packs. Furthermore, its high gravimetric power density of 3649 W/kg supports high discharge rates, making it suitable for applications requiring immediate power delivery. This combination of features positions the EP9543126VVP as an optimal choice for UAV battery optimisation.
How Model-Based Design Helps
Simulation and model-based design play a crucial role in selecting the right battery cells for UAV applications. By modelling load profiles, thermal rise, and voltage sag, engineers can predict the performance of the Electric Power EP9543126VVP cell under various conditions. This approach allows for accurate assessments of usable energy and helps in identifying potential overheating issues during fast charging. By simulating different scenarios, designers can ensure that the selected cell meets the specific requirements of the mission profile, ultimately enhancing drone powertrain efficiency and reliability.


