21700 lithium-ion cell with 4000mAh capacity, 3.6V nominal voltage, 14.4Wh energy, 70g weight, and 300-cycle life for power tools and drone applications.
PRODUCT DETAILS
Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution
This 21700 lithium-ion cell delivers 4000mAh capacity, making it suitable for battery pack designs that need dependable stored energy in a compact cylindrical format.
With a nominal voltage of 3.6V and 14.4Wh energy, this cell supports compact power solutions for portable and application-specific battery systems.
The 21700 format offers a practical balance of size and energy, supporting efficient battery pack integration for compact and performance-oriented systems.
The specified cycle life of 300 cycles provides a defined solution for projects that require repeatable charge and discharge performance.
This cell is specified for a working temperature range of 0°C to 45°C, supporting controlled operating conditions in suitable application environments.
This product is suitable for power tools and drone applications, where compact size and portable power are important to the system design.
VoltCrave Power can support customer-specific specification selection and customization to better match different battery pack and application requirements.
| Parameter | Specification |
|---|---|
| Cell Size | 21700 |
| Model | INR21700/40P |
| Rated Capacity | 4000mAh |
| Nominal Voltage | 3.6V |
| Energy | 14.4Wh |
| Cycle Life | 300 cycles |
| Working Temperature | 0°C to 45°C |
| Weight | 70g |
| Applications | Power tools, drones |
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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