Consumer Battery

21700 5000mAh 3.65V 18.25Wh Lithium-Ion Cell

5000mAh 21700 rechargeable lithium-ion cell with 3.65V nominal voltage, 18.25Wh energy, 1000-cycle life, and 264Wh/kg energy density.

Send an Inquiry

PRODUCT DETAILS

Product Specifications & Technical Documentation

Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution

Details Specifications Certifications FAQ

21700 5000mAh 3.65V 18.25Wh Lithium-Ion Cell Product Details (3)

5000mAh High-Capacity 21700 Cell

The 5000mAh capacity provides increased energy storage in the 21700 cylindrical format, supporting compact battery packs for mobility and energy applications.

21700 5000mAh 3.65V 18.25Wh Lithium-Ion Cell Product Details (4)

3.65V and 18.25Wh Energy Output

With a nominal voltage of 3.65V and 18.25Wh energy, the cell provides a defined electrical platform for rechargeable battery pack integration.

21700 5000mAh 3.65V 18.25Wh Lithium-Ion Cell Product Details (2)

264Wh/kg Energy Density

A specified energy density of 264Wh/kg supports battery systems where stored energy and cell weight must be carefully balanced.

21700 5000mAh 3.65V 18.25Wh Lithium-Ion Cell Product Details (5)

1000-Cycle Service Life

The cell is specified for 1000 cycles, supporting repeated charge and discharge operation in rechargeable battery systems.

21700 5000mAh 3.65V 18.25Wh Lithium-Ion Cell Product Details (1)

-20°C to 68°C Working Range

The specified operating temperature range extends from -20°C to 68°C, supporting use across varied operating environments.

Compact 21700 Pack Integration

The cylindrical 21700 format and 0.069kg cell weight support organized battery module layouts for scalable pack design.

Mobility and Energy Storage Applications

The cell can be integrated into e-bikes, scooters, electric vehicles, power systems, solar energy storage systems, and portable power solutions.

Customizable for B2B Battery Projects

VoltCrave Power supports specification customization to match different battery pack architectures, system requirements, and customer applications.

Parameter Specification
Cell Size 21700
Model INR21700 50E
Battery Type Rechargeable Lithium-Ion Cell
Rated Capacity 5000mAh
Nominal Voltage 3.65V
Nominal Energy 18.25Wh
Energy Density 264Wh/kg
Cycle Life 1000 cycles
Working Temperature -20°C to 68°C
Weight 0.069kg
Applications E-bikes/scooters, electric vehicles, power systems, solar energy storage systems, portable power

Representative safety, transport and market-compliance documents supporting qualified VoltCrave Power battery solutions for international B2B projects. Certification availability varies by product model and target market — contact VoltCrave Power to confirm the applicable compliance documents for your selected product.

  • Safety

    IEC 62133-2

    IEC 62133-2 battery safety test report
  • Market Compliance

    CE / EMC

    CE and EMC electromagnetic compatibility document
  • Transport

    UN38.3

    UN38.3 lithium battery transport safety document
  • Environmental

    RoHS

    RoHS restricted substances compliance document
  • Safety Documentation

    MSDS

    MSDS material safety data document
  • Cell Safety

    UL 1642

    Lithium cell component document. This is not certification of a complete VoltCrave Power energy-storage system.
    UL 1642 lithium cell component safety document
What is the rated capacity of this 21700 cell?
The rated capacity is 5000mAh.
What are the nominal voltage and energy?
The cell has a nominal voltage of 3.65V and a nominal energy of 18.25Wh.
What is the specified cycle life?
The specified cycle life is 1000 cycles.
What applications is this cell suitable for?
It is suitable for e-bikes, scooters, electric vehicles, power systems, solar energy storage systems, and portable power applications.
Can the specifications be customized?
Yes. VoltCrave Power supports customized specifications according to customer battery pack and project requirements.

No download files have been uploaded yet.

MANUFACTURING

OEM & ODM LiFePO4 Battery Manufacturer — Full Customization

End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification

Enclosure & Electrical Customization

Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.

White-Label & Private-Label Branding

Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.

Global Certification & Compliance Support

We assist distributors with CE, UL 1973, IEC 62619, UN38.3, and RoHS compliance for lithium battery imports. Complete technical documentation, MSDS, and test reports included for customs clearance.

RELATED

Explore More VoltCrave Power Solutions

Browse our full range of portable power stations, wall-mounted home batteries, RV energy systems, industrial power solutions, and more

YTJ5KWh 5.12kWh 51.2V 100Ah LiFePO4 All-in-One Solar Energy Storage System (5)

YTJ5KWh 5.12kWh 51.2V 100Ah LiFePO4 All-in-One Solar Energy Storage System

5.12kWh all-in-one LiFePO4 solar energy storage system with 5000W inverter, 60–450V PV input, MPPT charging, and customizable specifications for OEM/ODM projects.

Learn More
ZD40V20Ah 36V 48V 52V Silver Fish Lithium E-Bike Battery Pack (2)

ZD40V20Ah 36V 48V 52V Silver Fish Lithium E-Bike Battery Pack

Silver Fish lithium e-bike battery pack with 36V–52V options, 10.4Ah–28Ah capacity, 3C discharge, configurable BMS and OEM/ODM support.

Learn More
G963 6000mAh 600A Car Jump Starter with Air Pump (1)

G963 6000mAh 600A Car Jump Starter with Air Pump

6000mAh car jump starter with 600A peak current, built-in wireless air pump, LED emergency light, 12V/2A output and customizable configurations.

Learn More

Partner with a Leading LiFePO4 Battery Manufacturer

VoltCrave is actively recruiting exclusive distributors and OEM partners across our energy storage and portable power product lines. Competitive factory-direct pricing, dedicated account management, and full marketing support for your region.

✓ Exclusive Territory Rights
✓ Factory-Direct Wholesale Pricing
✓ OEM / Private-Label Design
✓ Complete Marketing & Certification Support
Apply for Distribution

Get a Quote

Our engineers will contact you within 24 hours