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

Model: 49Ah / 50Ah / 51Ah
Cell Chemistry: Solid-State Lithium-ion
Cell Grade: Grade A

Brand:
Misen
Cell Grade:
Grade A
Nominal Capacity:
50Ah
Nominal Voltage:
3.7v
Weight:
839g
Size(mm):
260.0 × 161.0 × 10.7
Cycle Life:
≥ 2000 times

Quantity:
Availability:





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Product Overview

Key Features

Technical Parameters

Design & Dimensions

Application

Product Overview

The 49Ah 50Ah 51Ah is a high energy density Solid-State Lithium-ion pouch cell developed for next-generation energy storage, UAV platforms, robotics systems and industrial power applications. Utilizing advanced solid-state electrolyte technology, the cell offers enhanced safety, improved thermal stability and higher energy density compared with conventional lithium-ion battery cells.

With a nominal voltage of 3.72V and a rated capacity of 50.5Ah, the cell delivers approximately 188Wh of energy in a lightweight pouch format. The battery supports up to 2C continuous charging, 3C continuous discharging and 5C pulse discharge capability, providing reliable performance for applications requiring both high energy and high power output.

Featuring energy density up to 400Wh/kg and internal resistance ≤ 2mΩ, the cell helps maximize system efficiency while reducing battery pack weight. The compact pouch design measures approximately 260 × 161 × 10.7 mm and weighs about 839g, making it suitable for advanced battery pack integration and customized energy solutions.

The battery supports charging temperatures from -15°C to +60°C and discharging temperatures from -40°C to +60°C, enabling reliable operation in demanding environments. With excellent cycle durability and enhanced safety characteristics, it is widely used in UAV battery packs, robotics systems, portable power equipment, industrial devices and energy storage applications.

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

Key Features

Advanced Solid-State Lithium Technology
Utilizes advanced solid-state lithium-ion technology to improve safety, thermal stability and electrochemical performance, providing enhanced reliability compared with conventional lithium-ion pouch cells.
High Energy Density up to 400Wh/kg
Delivers approximately 188Wh of energy with energy density reaching 400Wh/kg, helping reduce battery pack weight while maximizing energy storage efficiency for advanced power applications.
High Power Charge and Discharge Capability
Supports 2C continuous charging, 3C continuous discharging and up to 5C pulse discharge, making it suitable for applications requiring both high energy density and strong power output.
Low Internal Resistance Design
Features internal resistance ≤ 2mΩ, helping improve energy efficiency, reduce heat generation and maintain stable performance during charge and discharge operation.
Wide Operating Temperature Range
Designed for demanding environments with charging temperatures from -15°C to +60°C and discharging temperatures from -40°C to +60°C, supporting reliable operation in low-temperature and industrial applications.

Technical Parameter

Brand	Misen	Model	49Ah / 50Ah / 51Ah
Cell Chemistry	Solid-State Lithium-ion	Cell Type	Lithium-ion Pouch Cell
Nominal Voltage	3.72V	Rated Capacity	50.5Ah
Typical Capacity	51.0Ah	Nominal Energy	Approx. 188Wh
Energy Density	Up to 400Wh/kg	Internal Resistance	≤ 2mΩ
Continuous Charge Rate	2C	Continuous Discharge Rate	3C
Pulse Discharge	5C (30s)	Cycle Life	≥2000 Cycles
Operating Temperature (Charge)	-15°C ~ +60°C	Operating Temperature (Discharge)	-40°C ~ +60°C
Dimensions (W × L × T)	161 × 260 × 10.7 mm	Weight	Approx. 839g

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 49Ah 50Ah 51Ah solid-state lithium-ion pouch cell is engineered for high energy density battery systems, offering a lightweight structure, compact profile and flexible pack integration. The dimensions below provide key references for module design, compression structure planning and customized battery pack development.

Cell Size (W × L): 161.0 mm × 260.0 mm
Maximum Thickness (T): ≤ 10.7 mm
Cell Weight: Approx. 839g ± 25g
Design Advantage: High energy density up to 400Wh/kg with pouch cell architecture for improved space utilization and lightweight battery pack design.
Assembly Suggestion: Reserve sufficient space for compression fixtures, insulation materials, busbars and BMS wiring during battery pack assembly.

Notes: Dimensions and weight are based on standard cell specifications. For battery pack development, please confirm the latest engineering drawing and tolerance requirements before tooling and mass production.

Application

The 49Ah 50Ah 51Ah solid-state lithium-ion pouch cell is designed for advanced power systems that require high energy density, lightweight structure, wide temperature performance and reliable power output. Typical applications include the following industrial and system-level scenarios:

UAV & Unmanned Systems
Suitable for long-endurance drones, unmanned platforms and electric aviation projects where high energy density, reduced battery weight and stable discharge performance are critical for system endurance.
Robotics & Autonomous Equipment
Applied in mobile robots, autonomous machines and intelligent industrial equipment requiring compact battery integration, reliable output and long operating time.
Energy Storage Systems
Used in customized ESS modules, portable energy storage systems and high energy density battery packs where space utilization, lightweight design and safety performance are important.
Industrial Power Equipment
Suitable for industrial-grade portable equipment, outdoor power units, inspection devices and backup power systems requiring stable power supply under demanding operating conditions.
Electric Mobility & Advanced Battery Packs
Applicable for high-performance electric mobility projects and customized battery pack development where solid-state lithium battery technology provides clear advantages in energy density and temperature performance.

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