21700 Lithium-Ion Battery with Low Internal Resistance, Wide Temperature Range, and NMC Cathode for High-Drain Applications
Price:
$0.6 ~ $1.5
MOQ:
100pcs
Delivery Time:
3 ~ 30 days
Brand:
OiD
Product Description
Product Name: 21700 4500mAh Li-ion Cell
Electrical Parameters:
| Parameter | Value |
|---|---|
| Nominal Capacity | 4500mAh |
| Minimum Capacity | 4400mAh |
| Nominal Voltage | 3.6V |
| Charge Cut-off Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.75V |
| Standard Charge Current | 0.5C (2250mA) |
| Max. Charge Current | 1C (4500mA) @ 10°C–45°C |
| Standard Discharge Current | 1C (4500mA) |
| Max. Discharge Current | 3C (13500mA) @ 0°C–35°C |
| Internal Resistance | ≤25mΩ (AC 1kHz) |
| Operating Temperature | Charge: 0°C to 45°CDischarge: -20°C to 60°C |
| Cycle Life | 500 cycles (≥90% capacity retention)1000 cycles (≥80% capacity retention) |
| Weight | ≤71g |
| Dimensions | 21.65±0.2mm (D) x 70.95±0.2mm (H) |
| Energy Density | 238 Wh/kg |
Key Features:
- High energy density and long cycle life
- Stable performance across a wide temperature range
- Low internal resistance supports high discharge rates
- Standard 21700 cylindrical form factor
- Ideal for high-drain applications including power tools, electric vehicles, and energy storage systems
Applications:
- Electric vehicles and e-bikes
- Portable power stations
- High-drain consumer electronics
- Medical devices
- LED lighting systems
- UPS backup power units
Safety & Compliance:
- Built-in protection against overcharge, over-discharge, and short circuit
- Compliant with CE, RoHS, and UN38.3 certifications
- Stable NMC chemistry with high thermal reliability
Notes:
- All values are typical at 25°C and 1 atm unless specified.
- Performance may vary based on usage conditions and load characteristics.
- Refer to the full product specification sheet for detailed test conditions and limitations.
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Get in Touch
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Company
Shenzhen Jianheng Technology Co., Ltd.
Location
2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
Contact Person
Alan Yuan