5000mAh 21700 rechargeable lithium-ion cell with 3.65V nominal voltage, 18.25Wh energy, 1000-cycle life, and 264Wh/kg energy density.
PRODUCT DETAILS
Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution

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

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

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

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

The specified operating temperature range extends from -20°C to 68°C, supporting use across varied operating environments.
The cylindrical 21700 format and 0.069kg cell weight support organized battery module layouts for scalable pack design.
The cell can be integrated into e-bikes, scooters, electric vehicles, power systems, solar energy storage systems, and portable power solutions.
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

Market Compliance

Transport

Environmental

Safety Documentation

Cell Safety

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MANUFACTURING
End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification
Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.
Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.
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.
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