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49Ah 50Ah 51Ah Solid-State Lithium Battery Cell 400Wh/kg High Energy Density Pouch Cell

Misen K103 103Ah 3.7V 379Wh NMC Lithium-ion Pouch Cell

Model: K103
Cell Chemistry: NMC Lithium-ion Pouch Cell
Cell Grade: Grade A

Brand:
Misen
Cell Grade:
Grade A
Nominal Capacity:
103Ah
Nominal Voltage:
3.7v
Weight:
1810g
Size(mm):
268.0 × 265.0 × 13.3
Cycle Life:
≥ 6000 times

Quantity:
Availability:





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Product Overview

Key Features

Technical Parameters

Design & Dimensions

Application

Product Overview

The Misen K103 103Ah is a high energy density Lithium-ion NMC pouch cell designed for electric vehicles, energy storage systems, low-speed EVs, utility vehicles, telecom backup power, industrial battery packs and high-energy battery module projects. With a large-capacity pouch format, the cell provides reliable energy output, stable performance and flexible pack integration for demanding power applications.

With a nominal voltage of 3.7V and a rated capacity of 103Ah, the cell delivers approximately 379Wh of nominal energy. It supports 103A 1C continuous charging, 206A 2C continuous discharging and 309A 3C peak discharge capability for up to 10 seconds under SOC ≥50%, making it suitable for applications requiring both high energy and stable power output.

Featuring energy density of 210.6Wh/kg and 503Wh/L, the K103 pouch cell helps improve system energy output while maintaining efficient space utilization. The low internal resistance of ≤ 0.55mΩ helps reduce heat generation, improve efficiency and support stable charge and discharge performance in battery pack applications.

The compact pouch design measures approximately 268 × 265 × 13.3 mm and weighs ≤ 1810g. It can be integrated into customized battery modules with BMS, busbars, insulation materials, wiring, connectors and protective structures according to different project requirements.

The cell supports charging from 0°C to 45°C under different charging current limits and discharging from -20°C to 55°C. Under 90% DOD, 1C charge / 1C discharge and 25±3°C test conditions, the cycle life can reach ≥6000 cycles with 70% remaining capacity. It is widely used in EV battery packs, ESS systems, solar energy storage, telecom backup power, utility vehicles, AGV, robotics and industrial power equipment.

Specifications and performance data are based on standard laboratory test conditions. Detailed test reports and technical documentation are available upon request.

Key Features

High Energy Lithium-ion Pouch Cell
The Misen K103 is a high energy density lithium-ion NMC pouch cell designed for EV battery packs, energy storage systems, telecom backup power and industrial battery module applications.
103Ah Large Capacity and 379Wh Energy
Features 3.7V nominal voltage and 103Ah rated capacity, delivering approximately 379Wh nominal energy for high-energy battery pack integration.
High Energy Density Design
Provides energy density of 210.6Wh/kg and 503Wh/L, helping improve system energy output while maintaining efficient space utilization in EV, ESS and industrial power applications.
Stable Charge and Discharge Performance
Supports 103A 1C continuous charging, 206A 2C continuous discharging and 309A 3C peak discharge for up to 10 seconds under SOC ≥50%, providing reliable power output for demanding applications.
Low Internal Resistance and Long Cycle Life
Features internal resistance ≤ 0.55mΩ, helping reduce heat generation and improve efficiency. Under 90% DOD, 1C charge / 1C discharge and 25±3°C test conditions, the cycle life can reach ≥6000 cycles with 70% remaining capacity.
Reliable Operating Temperature Range
Supports charging from 0°C to 45°C under different current limits and discharging from -20°C to 55°C, making it suitable for outdoor energy storage, electric mobility and industrial equipment.

Technical Parameter

Brand	Misen	Model	K103 / 103Ah
Cell Chemistry	Lithium-ion NMC	Cell Type	Lithium-ion Pouch Cell
Nominal Voltage	3.7V	Rated Capacity	103Ah
Voltage Range	2.7V ~ 4.2V	Nominal Energy	379Wh
Energy Density	210.6Wh/kg, 503Wh/L	Internal Resistance	≤ 0.55mΩ
Continuous Charge Current	103A / 1C	Continuous Discharge Current	206A / 2C
Peak Discharge Current	309A / 3C, ≤10s	Cycle Life	≥6000 Cycles
Operating Temperature (Charge)	0°C ~ 45°C	Operating Temperature (Discharge)	-20°C ~ 55°C
Dimensions (W × L × T)	268 × 265 × 13.3 mm	Weight	≤1810g
Certification	UL1642, UL1973, UN38.3, CB, UL9540A	Application	EV, ESS, Industrial Battery Pack

All parameters are based on standard laboratory test conditions. Actual performance may vary depending on test methods, operating conditions and batch consistency.

Design & Dimensions

The Misen K103 103Ah lithium-ion NMC pouch cell is designed for high-energy battery systems, offering large single-cell capacity, high energy output and flexible pack integration. The dimensions below provide key references for module design, cell layout planning, insulation structure and customized battery pack development.

Cell Size (W × L): 268 mm × 265 mm
Maximum Thickness (T): 13.3 mm
Cell Weight: ≤ 1810g
Design Advantage: 103Ah large-capacity pouch cell with 379Wh nominal energy, 210.6Wh/kg gravimetric energy density and 503Wh/L volumetric energy density for efficient battery pack design.
Assembly Suggestion: Reserve sufficient space for tab welding, compression fixtures, insulation materials, busbars, BMS wiring and protective structure during battery pack assembly.

Notes: The length excludes tab length, and the width is based on unfolded cell size. Thickness is measured under standard test conditions. For battery pack development, please confirm the latest engineering drawing and tolerance requirements before tooling and mass production.

Application

The Misen K103 103Ah lithium-ion NMC pouch cell is designed for high-energy battery systems that require large single-cell capacity, stable discharge performance, long cycle life and efficient pack integration. Typical applications include the following industrial and system-level scenarios:

Electric Vehicles & Low-Speed EVs
Suitable for electric vehicles, low-speed EVs, utility vehicles and electric mobility projects requiring high energy output, 2C continuous discharge capability and reliable long-term battery pack performance.
Energy Storage Systems
Used in ESS modules, solar energy storage systems, commercial energy storage and customized battery cabinets where large capacity, long cycle life and stable charge-discharge performance are important.
Telecom Backup Power
Applicable for telecom backup power, UPS systems and standby power solutions requiring stable energy supply, low internal resistance and long service life under regular charge and discharge operation.
Industrial Battery Packs
Suitable for industrial equipment, inspection devices, mobile power systems and outdoor power units where high single-cell energy and reliable pouch cell performance help improve system runtime and pack efficiency.
AGV, Robotics & Custom Modules
Can be integrated into AGV battery packs, robotics systems and customized lithium battery modules with BMS, busbars, insulation materials, connectors and protective structures according to project requirements.

Application suitability may vary depending on system voltage, pack structure, current demand, operating conditions and regulatory requirements. Please consult with our technical team for application evaluation and integration support.