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INR21700-40PR 3.6V 3900mAh Rechargeable Lithium Ion Battery Cell
Product Summary
INR21700-40PR 3.6V 3900mAh rechargeable lithium-ion cell with high 50A discharge capability for power tools, e-bikes, and energy storage. Features NMC chemistry, 300+ cycle life, wide temperature range (-20°C~80°C), and certifications including CE, UN38.3.
Basic Properties
Place of Origin:
Jiangsu, China
Brand Name:
HIGHSTAR
Model Number:
21700
Trading Properties
Minimum Order Quantity:
3000
Price:
Negotiable
Product Description
Product Overview
HIGHSTAR INR21700-40PR
Cell Model: INR21700-40PR
Nominal Voltage: 3.6V Typical Capacity: 3900mAh Energy: 14.04Wh
Cell Chemistry: NMC (LiNiMnCoO₂) Cycle Life: ≥300Max Continuous Discharge Current: 12A
Operating Temperature: 0°C～50°C (charge), -20°C～65°C (discharge), Max surface temp 45°C/70°C Certifications: CE, UN38.3, MSDS Weight: Approx. 64g Dimensions: 21.3mm * 70.5mm
This 21700-size cylindrical lithium-ion cell delivers a strong combination of high capacity and high current discharge. With anominal capacity of 3900mAh and continuous discharge capability up to 50A, it is ideal for high-drain applications such as power Tools, e-bikes, and energy storage systems. Its NMC chemistry ensures balanced energy density and thermal stability, while maintaining excellent performance across a wide temperature range. Designed for professional pack assembly, this cell is tested for consistent internal resistance, long life, and reliability.
This 21700-size cylindrical lithium-ion cell delivers a strong combination of high capacity and high current discharge. With anominal capacity of 3900mAh and continuous discharge capability up to 50A, it is ideal for high-drain applications such as power Tools, e-bikes, and energy storage systems. Its NMC chemistry ensures balanced energy density and thermal stability, while maintaining excellent performance across a wide temperature range. Designed for professional pack assembly, this cell is tested for consistent internal resistance, long life, and reliability.
FEATURES AT A GLANCE
HIGHSTAR INR21700-40PR
- High discharge capability up to 50A, ideal for power tools and high-drain devices
- Large 3900mAh capacity with 3.6V nominal voltage for longer runtime
- NMC (LiNiMnCoO₂) chemistry ensures balanced energy density and thermal stability
- Excellent performance under extreme temperatures: -20°C to 80°C (discharge)
- Supports fast charging up to 6A with low internal resistance
- Durable design with ≥300 cycle life at 80% capacity retention
- Suitable for use in power tools, e-bikes, energy storage, flashlights, RC toys, and more
- Professionally tested for safety, consistency, and OEM-grade reliability
For power tools
For drone batteries
High Power Lithium Cell
SALES AND SERVICE NETWORK
Successful Project
E-bike /Electric power tool
Golf cart
medical treatment
SIMILAR PRODUCTS
FAQ
Q1: What certifications do you offer?
A1: We offer the following certifications: UN38.3, MSDS, RoHS , UL , BIS ,SNI
Q2: What is the typical application of this battery?
A2: This battery is widely used in e-bikes, cordless power tools, medical devices, backup battery packs, and other portable
electronics.
Q3: Can I get a sample before bulk purchase?
A3: Absolutely. We support small sample orders so you can test the quality before placing a large order.
Original HIGHSTAR21700 Cells with Full Certification and Quality Check
100% Original HIGHSTAR Cell
UN38.3, MSDS, CE, RoHS certificates available
Strict quality control before shipment
Product Details
Nominal Voltage:
3.6V
Typical Capacity:
3900mAh
Energy:
14.04Wh
Max Discharge Current:
50A
Cycle Life:
≥300 Cycles
Dimensions:
21.3mm × 70.5mm
Ms. Cheng
- Email: ira@henridbattery.com
- Tel: 13827433375
- WhatsApp: 008613827433375
-
WeChat:
Cyj1224496775
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