Cylindrical 46950 High-Power Cell
StoreDot 380E
Cylindrical 46950 cell delivering 38 Ah capacity, 288 Wh/kg energy density and 200 A maximum discharge rate.
Overview
The StoreDot 380E is a high-power Li-ion cylindrical 46950 cell designed for applications that demand sustained high current. Released in 2025 and with the manufacturer based in South Korea, this cylindrical 46950 cell delivers 38 Ah capacity and 126.92 Wh of energy at a nominal voltage of 3.34 V, with a maximum continuous discharge capability of 200 A, making it well suited to high-power systems. The silicon-bearing anode contributes to that energy density.
Key Features
High discharge rate: 200 A continuous (5.3 C)
Energy density: 288 Wh/kg
Power density: 1518 W/kg
Capacity: 38 Ah nominal capacity
Applications: e-mobility, aviation, drones
Technical Specifications from the Manufacturer
Parameter
Manufacturer
StoreDot
Model
INR4695-380E
Type
Li-ion
Form factor
Cylindrical 46950
Country of origin
South Korea
Release year
2025
Nominal voltage
3.34
Energy capacity [Wh]
126.92
Capacity [Ah]
38
Gravimetric energy density [Wh/kg]
288
Gravimetric power density [W/kg]
1518
Max continuous discharge [A]
200
Volume [cm³]
158.974
Mass [g]
440
Positive electrode (cathode)
Ni-based
Negative electrode (anode)
Graphite/Si additive
Value
Applications & Use‑Cases
The StoreDot 380E is well suited to the following applications due to its 46950 format and high power performance.
E-Mobility: Requires balanced energy and power density for range and acceleration, high cycle life for daily use, and robust calendar life to ensure long-term reliability.
Aviation: Requires high specific energy for extended flight duration, high power-to-weight ratio for climb performance, and reliable operation across wide temperature ranges at altitude.
Drones: Demands high gravimetric power density for thrust and payload capacity, rapid current response for flight control, and stable voltage delivery across dynamic flight profiles.
General Applications: Suitable for applications requiring reliable lithium-ion performance with proven cycle life, consistent capacity delivery, and operational safety across diverse use cases.
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Performance & Model Data
Below are modelled performance metrics for the StoreDot 380E across key indicators, including constant current behaviour, rate capability, temperature dependence, and available power under representative drive cycle conditions.
Constant Current Voltage
The StoreDot 380E constant-current plots reveal voltage behaviour under steady loads, ideal for analysing efficiency.
Constant Current Temperature
The StoreDot 380E constant-current plots reveal temperature behaviour under steady loads, ideal for analysing thermal response.
Pulse Power Behaviour
The StoreDot 380E pulse power map evaluates short-duration load responses, allowing engineers to determine the maximum available power as a function of state of charge and temperature.
Dynamic Profile Response
The StoreDot 380E mission-profile plots simulate real-world duty cycles, showing how the cell manages dynamic power demands and temperature changes.
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Case Studies
See how we helped McMurtry reduce cell evaluation time by 70% through data driven testing and modelling.
Motorsports
McMurtry Automotive: Faster cell evaluation
McMurtry Automotive used The Voltt and validated cell models to evaluate the transition from the Molicel P45B to P50B during early pack concept development.
Side by side modelling enabled rapid comparison of electrical and thermal behaviour, avoiding lengthy physical test campaigns. This approach reduced cell evaluation time by seven months, allowing the team to lock in cell selection and pack assumptions earlier while lowering technical risk and accelerating vehicle development.
Comparison with Related Cells
Compare the StoreDot 380E with other cells offering comparable capacity and performance characteristics.
Model
Capacity
Max Discharge
Typical Use
Access Cell Data
Manufacturer Background
About StoreDot
Extreme fast charging specialist
StoreDot is an Israeli battery developer founded in 2012 and based in Herzliya, focused on extreme fast charging. Its silicon-dominant anode cells are engineered to accept very high charge rates without the lithium plating and accelerated degradation that normally follow. The company targets electric vehicles and other applications where charging time rather than range is the adoption barrier, and works with automotive manufacturers on qualification programmes. StoreDot licenses its technology to established cell manufacturers rather than building large-scale capacity itself. Its relevance lies in treating charge acceptance, not energy density, as the primary design objective.
Frequently Asked Questions
What is the capacity and voltage of the StoreDot 380E?
The StoreDot 380E has a nominal capacity of 38 Ah and a nominal voltage of 3.34 V, providing 126.92 Wh of energy per cell.
What is the maximum continuous discharge capability of the StoreDot 380E?
The StoreDot 380E supports continuous discharge rates up to 200 A, delivering a power density of 1518 W/kg.
How much does the StoreDot 380E weigh and what is its volume?
The cell has a mass of 440 g and a volume of 158.97 cm³.
In which industries is the StoreDot 380E commonly used?
The StoreDot 380E is used across e-mobility, aviation, drones, applications that demand sustained high current.
What is The Voltt and how does it accelerate cell evaluation?
The Voltt is About Energy's digital cell simulation platform that models electrochemical and thermal performance, reducing evaluation time by up to 70% compared to laboratory testing.
What data can be extracted using The Voltt?
Engineers can simulate and visualise voltage, temperature, and power responses under constant-current or mission-profile conditions, generating detailed discharge plots to support accurate cell comparison and validation.
