INR18650E35SS 18650 Li-Ion Battery with 3500mAh Capacity and 20A Continuous Discharge for Electric Motorcycle Applications
Product Overview
The INR18650E35SS is a 3.6V 3500mAh high-capacity 18650 lithium-ion battery designed for electric motorcycle and light electric vehicle applications.
It supports a 20A continuous discharge current with controlled internal resistance, enabling stable power delivery under high-load conditions.
The cell achieves ≥500 cycles at 80% capacity retention under standard cycling and maintains reliability in vibration-prone, vehicle-mounted environments.
This model is suitable for OEM battery pack manufacturers requiring consistent performance, thermal stability, and predictable lifecycle behavior.
Key Advantages
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3500mAh capacity supports extended driving range per charge cycle
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20A continuous discharge capability for high-torque electric motorcycle systems
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Low internal resistance (≤35mΩ) reduces heat generation during sustained load
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Designed for vibration resistance in vehicle-mounted battery packs
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Stable electrical behavior across a wide operating temperature range
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Suitable for series and parallel configurations in traction battery systems
Product Description
The INR18650E35SS (18650-35E) lithium-ion cell is engineered for electric mobility applications where both energy density and discharge capability are required.
With a nominal voltage of 3.6V and a capacity of 3500mAh, it allows battery designers to increase system range without increasing pack size or weight.
This model is intended for B2B, OEM, and ODM battery pack development, particularly for electric motorcycles, e-bikes, and light electric vehicles.
Its electrical characteristics and mechanical durability make it suitable for environments involving vibration, temperature variation, and continuous high-current operation when integrated with a proper battery management system.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | INR18650E35SS |
| Chemistry | Li-Ion (INR) |
| Nominal Voltage | 3.6V |
| Capacity | 3500mAh |
| Standard Charge Current | 0.2C (700mA) |
| Max Charge Current | 1C (3500mA) |
| Max Continuous Discharge Current | 20A |
| Discharge Cut-off Voltage | 2.65V |
| Charge Cut-off Voltage | 4.2V |
| Internal Resistance | ≤35mΩ |
| Weight | 50g |
| Dimensions | 18mm × 65mm |
Performance & Reliability
Cycle Life Performance
| Test Condition | Performance |
|---|---|
| Standard Cycle (0.5C) | ≥500 cycles (80% capacity retention) |
| High-Power Cycle (10A) | ≥400 cycles (75% capacity retention) |
Discharge Curve
Operating Temperature Range
| Condition | Temperature |
|---|---|
| Charging | 0°C to 45°C (max 50°C for ≤1 hour) |
| Discharging | –20°C to 70°C (20A max at 60°C) |
| Storage | –40°C to 50°C (≤3 months) |
All performance data is measured under controlled laboratory conditions with appropriate thermal management.
Applications
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Electric motorcycle battery packs
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E-bike power systems
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Light electric vehicle energy storage modules
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High-power mobility and traction devices
Usage Warnings & Precautions
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A professional battery management system (BMS) is required for vehicle applications
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Maintain battery pack operating temperature at or below 60°C during continuous discharge
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Parallel configurations require capacity and impedance matching
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Avoid overcharge, over-discharge, and short-circuit conditions
Storage Guidelines
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Recommended storage state of charge (SOC): 30–50%
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Ideal storage temperature: 10–25°C, dry and ventilated environment
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Perform a capacity refresh cycle every 6 months during long-term storage
Warranty & Disclaimer
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18-month limited warranty covering manufacturing defects
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Warranty is void if used without a proper BMS or outside specified operating limits
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Not responsible for performance degradation caused by unauthorized modification or misuse
Comparison vs Standard 18650 Models
| Aspect | INR18650E35SS | Standard 18650 Cell |
|---|---|---|
| Capacity | 3500mAh | Typically 2000–3000mAh |
| Continuous Discharge | 20A | 5–10A |
| Internal Resistance | ≤35mΩ | Higher and less consistent |
| Vehicle Application Suitability | Designed for traction use | General-purpose |
| Thermal Stability | Controlled under load | Limited under high current |
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