Samsung INR21700-55E 3.6V 5500mAh Battery Cell

Specification	Details
Brand	Samsung
Model	INR21700-55E, subject to confirmation
Cell Format	21700
Battery Chemistry	INR Lithium-ion
Nominal Voltage	Approximately 3.6V
Maximum Charge Voltage	4.2V
Rated Capacity	Approximately 5500mAh
Nominal Energy	Approximately 19.8Wh
Terminal Type	Flat Top
Protection	Unprotected Cell
Approximate Diameter	21mm
Approximate Height	70mm
Rechargeable	Yes
Sales Unit	Per Cell

Samsung INR21700-55E 3.6V 5500mAh Lithium-ion Battery Cell

1. Product Overview

The Samsung INR21700-55E is a high-capacity rechargeable 21700 lithium-ion battery cell designed for applications requiring extended operating time, high energy density and stable battery pack performance.

With a nominal voltage of approximately 3.6V and a rated capacity of approximately 5500mAh, this cylindrical cell provides approximately 19.8Wh of nominal energy.

The Samsung INR21700-55E is suitable for professional battery pack manufacturers, energy storage equipment manufacturers, electric mobility companies, distributors and wholesale battery buyers.

2. Key Features

• Approximately 5500mAh rated capacity
• Approximately 19.8Wh nominal energy
• High energy density
• Extended operating time
• Stable voltage output
• Reliable capacity performance
• Good cell consistency
• Compact 21700 cylindrical format
• Suitable for series and parallel battery configurations
• Suitable for professional battery pack assembly
• Capacity and internal resistance matching available
• Wholesale quantities available

3. Suitable Applications

Electric Bicycle Battery Packs

The Samsung INR21700-55E may be used in professionally designed e-bike battery packs when the required discharge current, series-parallel configuration, BMS and thermal-management system are correctly matched.

Electric Scooter Battery Packs

The cell may be integrated into compatible electric scooter battery packs designed for long operating time and stable energy output.

Portable Power Stations

The high-capacity 21700 format makes this cell suitable for portable power stations and mobile energy products when the pack design complies with the official cell specifications.

Energy Storage Systems

The Samsung INR21700-55E may be used in professionally designed residential energy storage modules, compact backup power systems and customized energy storage battery packs.

Solar Energy Storage

The cell may be integrated into compact solar energy storage products when the BMS, charging system, thermal design and battery configuration are correctly engineered.

Portable Electronic Equipment

Suitable for portable instruments, inspection equipment, testing devices and mobile electronic products requiring high capacity and extended runtime.

Robotics and Automation

The cell may be used in customized battery packs for robots, automated equipment, remote-control systems and mobile industrial devices.

Backup Power Systems

Suitable for communication equipment, monitoring devices, emergency power products and customized backup battery modules.

4. Professional Battery Pack Assembly

The Samsung INR21700-55E is suitable for professional battery pack production processes, including:

• Cell sorting
• Capacity matching
• Internal resistance matching
• Cell consistency testing
• Nickel strip spot welding
• BMS integration
• Series and parallel battery configurations
• Battery insulation and packaging
• Thermal-management design

5. Wholesale Supply and Customization

We supply Samsung 21700 lithium-ion battery cells to battery pack manufacturers, distributors, energy storage companies, electric mobility manufacturers and equipment manufacturers.

Available services may include:

• Wholesale lithium battery cell supply
• Capacity and internal resistance matching
• Cell sorting and consistency testing
• Nickel strip spot welding
• Customized battery pack assembly
• BMS selection and integration
• Battery insulation and packaging
• International lithium battery shipping
• Technical datasheets and transportation documents

Please contact us for current pricing, minimum order quantity, stock availability, production batch information, technical specifications and shipping options.

6. Important Notice

The Samsung INR21700-55E is primarily a high-capacity battery cell. Its suitability for high-power applications must be confirmed according to the required discharge current and the official Samsung datasheet.

The exact model number, minimum capacity, continuous discharge current, charging current, internal resistance, cycle life, operating temperature and certification status must be confirmed according to the official datasheet and actual production batch.

Frequently Asked Questions

1. What is the Samsung INR21700-55E?

The Samsung INR21700-55E is a rechargeable 21700-format lithium-ion battery cell with an approximate nominal voltage of 3.6V and a rated capacity of approximately 5500mAh. It is intended for professional battery pack assembly.

2. What applications use the Samsung INR21700-55E?

The cell may be used in professionally designed battery packs for electric bicycles, electric scooters, portable power stations, energy storage systems, robotics, portable equipment and backup power products.

3. Can the Samsung INR21700-55E be used in an e-bike battery?

It may be used in a professionally designed electric bicycle battery pack when the required discharge current, series-parallel configuration, BMS and thermal-management system are correctly matched.

4. Can this cell be used in an electric scooter battery?

Yes. It may be used in a compatible electric scooter battery pack when the voltage, current, BMS, wiring, cell matching and thermal requirements are correctly designed.

5. Is the Samsung INR21700-55E suitable for power tools?

The Samsung INR21700-55E is primarily a high-capacity cell. Its suitability for power tools depends on the required discharge current and the official cell specifications. High-power tools may require a higher-discharge battery cell.

6. Can the Samsung INR21700-55E be used in energy storage systems?

It may be used in professionally designed energy storage modules when the BMS, charging system, battery configuration, thermal management and current requirements are properly matched.

7. Can this cell be used in a portable power station?

Yes. It may be integrated into compatible portable power station battery packs when the electrical, mechanical and safety requirements are correctly designed.

8. Is the Samsung INR21700-55E a protected battery?

No. It is an unprotected industrial lithium-ion cell. A compatible BMS, lithium-ion charger, insulation structure and professionally designed battery enclosure are required.

9. What is the energy of a 3.6V 5500mAh battery cell?

A 3.6V 5500mAh battery cell has approximately 19.8Wh of nominal energy. This is calculated by multiplying 3.6V by 5.5Ah.

10. What are the dimensions of a Samsung 21700 battery cell?

A 21700 cylindrical cell measures approximately 21mm in diameter and 70mm in height. Exact dimensions should be confirmed using the official Samsung datasheet.

11. Can matched cells be supplied for battery pack production?

Capacity matching, internal resistance matching and cell consistency testing may be available for professional battery pack manufacturers. The required matching standard should be confirmed before ordering.

12. Is wholesale supply available?

Yes. Wholesale quantities, cell matching, customized battery pack assembly and international lithium battery shipping solutions are available upon request.

13. Are technical and transportation documents available?

Technical datasheets, UN38.3 reports, MSDS and other transportation documents may be available depending on the exact model and production batch. Document availability should be confirmed before ordering.