Product Specifications
| Specification | Details |
|---|---|
| Brand | EVE |
| Model | INR21700/40P |
| Cell Format | 21700 |
| Battery Chemistry | INR Lithium-ion |
| Nominal Voltage | Approximately 3.6V |
| Maximum Charge Voltage | Approximately 4.2V, subject to official datasheet |
| Rated Capacity | 4.0Ah / 4000mAh |
| Nominal Energy | Approximately 14.4Wh |
| Terminal Type | Flat Top |
| Protection | Unprotected Cell |
| Approximate Dimensions | 21 × 70mm |
| Rechargeable | Yes |
| Sales Unit | Per Cell |
EVE INR21700/40P 3.6V 4000mAh Lithium-ion Battery Cell
1. Product Overview
The EVE INR21700/40P is a rechargeable 21700 lithium-ion battery cell designed for professional battery pack production and equipment manufacturing.
With an approximate nominal voltage of 3.6V and a rated capacity of 4.0Ah, equivalent to 4000mAh, the cell provides approximately 14.4Wh of nominal energy.
The EVE INR21700/40P offers a practical balance between capacity, discharge performance and compact cylindrical size. It is suitable for battery pack manufacturers, equipment manufacturers, distributors and wholesale lithium battery buyers.
2. Key Features
- 4000mAh rated capacity
- Approximately 14.4Wh nominal energy
- Stable discharge performance
- Reliable voltage output
- Good cell consistency
- Compact 21700 cylindrical format
- Suitable for series and parallel battery configurations
- Suitable for professional spot-welded battery packs
- Cell matching and consistency testing available
- Wholesale supply and international shipping available
3. Suitable Applications
Power Tool Battery Packs
The EVE INR21700/40P may be used in compatible battery packs for cordless drills, electric screwdrivers, saws and other rechargeable power tools when the required current remains within the official cell specifications.
Cordless Vacuum Cleaners
The 21700 format and stable discharge performance make the cell suitable for professionally designed cordless vacuum cleaner battery packs.
Garden Equipment
It may be used in battery packs for cordless trimmers, blowers, pruning tools and other rechargeable garden equipment when the BMS and current requirements are correctly matched.
Electric Mobility Products
The cell may be integrated into compatible electric bicycle and electric scooter battery packs when the series-parallel configuration, discharge current, BMS and thermal-management system are properly designed.
Robotics and Industrial Equipment
It may be used in customized battery packs for robots, automated equipment, inspection devices, mobile industrial systems and remote-control products.
Portable and Backup Power Products
The EVE INR21700/40P may also be used in portable power equipment, communication devices, emergency lighting and customized backup power modules.
4. Professional Battery Pack Assembly
The EVE INR21700/40P is suitable for professional battery pack production processes, including:
- Cell sorting and consistency testing
- Capacity matching
- Internal resistance matching
- Nickel strip spot welding
- BMS selection and integration
- Series and parallel battery configurations
- Battery insulation and packaging
- Thermal-management design
5. Wholesale Supply and Customization
We supply EVE 21700 lithium-ion battery cells to battery pack manufacturers, distributors, equipment manufacturers, electric mobility companies and energy solution providers.
- Wholesale battery cell supply
- Matched cell groups available upon request
- Customized battery pack assembly
- BMS and battery accessory supply
- Technical and transportation documents
- International lithium battery shipping solutions
Please contact us for current pricing, minimum order quantity, available stock, production batch information and shipping options.
6. Important Notice
The suitability of the EVE INR21700/40P for a specific high-power application must be confirmed according to the required discharge current and the official EVE datasheet.
This is an unprotected industrial lithium-ion cell intended for professional battery pack assembly. A compatible BMS, lithium-ion charger, insulation structure and professional spot-welding process are required.
The exact minimum capacity, discharge current, charging current, internal resistance, cycle life, operating temperature and certification status must be confirmed according to the official EVE datasheet and actual production batch.
Frequently Asked Questions
1. What is the EVE INR21700/40P?
The EVE INR21700/40P is a rechargeable 21700 lithium-ion battery cell with an approximate nominal voltage of 3.6V and a rated capacity of 4000mAh. It is intended for professional battery pack assembly.
2. What types of battery packs can use this cell?
It may be used in compatible battery packs for power tools, cordless vacuum cleaners, garden equipment, electric mobility products, robotics and portable power equipment.
3. Is the EVE INR21700/40P a protected battery?
No. It is an unprotected industrial cell. A suitable BMS, charger, insulation structure and professionally designed battery enclosure are required.
4. Can matched cells be supplied for battery pack production?
Yes. Capacity matching, internal resistance matching and cell consistency testing may be provided according to the buyer’s battery pack requirements.
5. Are wholesale supply and transportation documents available?
Wholesale quantities, international shipping solutions, technical datasheets, UN38.3 reports and MSDS documents may be available depending on the production batch and destination.
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