INR18650E35SS 3.6V 3500mAh 20A Continuous Discharge 18650 Lithium-Ion Battery for Electric Motorcycle Applications
Product Overview
The INR18650E35SS is a high-capacity 3.6V 3500mAh lithium-ion battery designed for electric motorcycle and light electric vehicle battery packs.
It supports a continuous discharge current of 20A with low internal resistance, ensuring stable power delivery under high-load conditions.
With a verified cycle life of 500 cycles at 80% capacity retention, the cell balances energy density, durability, and thermal stability.
This model is optimized for vehicle-mounted applications where vibration resistance, consistent output, and controlled heat generation are critical.
Key Advantages
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3500mAh high-capacity design extends driving range per charge cycle
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20A continuous discharge supports high-torque electric motorcycle power demands
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Low internal resistance (≤35mΩ) reduces heat buildup under load
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Engineered for vibration resistance in vehicle-mounted environments
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Stable performance across wide temperature ranges
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Suitable for parallel and series configurations in traction battery packs
Product Description
The INR18650E35SS (18650-35E) lithium-ion battery is developed for electric mobility systems that require both high energy density and strong discharge capability.
Its 3.6V nominal voltage combined with a 3500mAh capacity allows battery pack designers to achieve longer runtime without increasing pack size or weight.
This cell is specifically intended for B2B, OEM, and ODM battery pack manufacturers serving electric motorcycles, e-bikes, and light electric vehicles.
The electrical characteristics and mechanical robustness make it suitable for applications exposed to vibration, variable temperatures, and continuous high-current operation.
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 |
| Charge Cut-off Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.65V |
| 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) |
The battery maintains electrical stability when operated within specified limits and integrated with appropriate battery management systems.
Applications
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Electric motorcycle battery packs
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E-bike and light electric vehicle power systems
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High-power mobility devices
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Traction battery modules for small electric transport platforms
Usage Warnings & Precautions
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Professional battery management system (BMS) is required for vehicle applications
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Maintain operating pack temperature at or below 60°C during continuous discharge
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Parallel configurations require impedance and capacity matching
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Avoid overcharging, over-discharging, 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 environment
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Perform capacity refresh 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 proper BMS or outside specified operating conditions
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Not responsible for damage caused by unauthorized modification or improper integration
Comparison vs Standard 18650 Models
| Aspect | INR18650E35SS | Standard 18650 Cell |
|---|---|---|
| Capacity | 3500mAh | Typically lower |
| Continuous Discharge | 20A | 5–10A |
| Internal Resistance | ≤35mΩ | Higher variability |
| Vehicle Suitability | Optimized | Limited |
| Thermal Stability | Designed for traction use | General-purpose |
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