The INR18650K15SS is a 3.6V 1500mAh high-drain 18650 Li-ion battery designed for stable 15A continuous discharge, long 500-cycle lifespan, and consistent thermal performance. It is built for e-cigarettes, power tools, EV applications, and industrial devices requiring reliable mid-power output. Features include ≤30mΩ internal resistance, robust safety mechanisms (PTC/CID), and compliance with UN38.3, RoHS, and IEC/CE standards.
15A Continuous Discharge – Stable output for high-drain devices.
500-Cycle Long Life – ≥80% capacity retention at standard 0.2C cycling.
Consistent Thermal Stability – Reliable performance in demanding operating conditions.
Robust Safety Design – Integrated PTC and CID protection elements.
Global Compliance – Meets UN38.3, RoHS, MSDS, and IEC/CE safety standards.
The INR18650K15SS is a professional-grade 18650 lithium-ion cell engineered for applications requiring dependable mid-to-high discharge performance. With a continuous 15A output and a nominal capacity of 1500mAh, the cell delivers a balanced combination of energy density, safety, and cycle longevity.
Built with enhanced internal construction and stable Li-ion chemistry, it ensures consistent performance across a wide temperature range, making it suitable for e-cigarettes, power tools, electric mobility devices, and precision instruments. Its ≤30mΩ internal resistance supports high-efficiency discharge with reduced heat generation.
This model is designed for OEM clients and system integrators seeking reliable battery components for mass production and performance-critical hardware.
| Parameter | Value |
|---|---|
| Model | INR18650K15SS |
| Chemistry | Lithium-Ion (Li-Ion) |
| Nominal Voltage | 3.6V |
| Capacity | 1500mAh |
| Max Continuous Discharge | 15A |
| Max Pulse Discharge | – |
| Max Charging Current | 0.2C (Standard) |
| Charging Voltage | 4.2V ± 0.05V |
| Discharge Cut-off Voltage | 2.5V |
| Internal Resistance | ≤ 30mΩ |
| Weight | 45g |
| Dimensions (Diameter × Height) | 18mm × 65mm |
| Safety Features | Built-in PTC & CID |
| Certifications | UN38.3, RoHS, MSDS, IEC/CE |
| Test Condition | Performance |
|---|---|
| Cycle Life | 500 cycles (≥80% capacity retention) |
| Charge Rate | 0.2C |
| Discharge Rate | 0.2C |
| Charging Temperature | 0°C to 45°C |
| Discharging Temperature | -20°C to 60°C |
| Condition | Temperature Range |
|---|---|
| Charging | 0°C to 45°C |
| Discharging | -20°C to 60°C |
| Storage | -20°C to 50°C (Recommended: 15°C–25°C) |
E-cigarettes and vaping devices
Handheld power tools
Electric vehicles (e-bikes, e-scooters, light EV packs)
High-power flashlights
Industrial instrumentation and measurement devices
Backup power modules and custom battery packs
Do not short-circuit, puncture, crush, or disassemble the cell.
Only use chargers designed for Li-ion cells with a 4.2V cutoff.
Avoid overcharging, over-discharging, and exposure above 60°C during operation.
This product must be integrated with appropriate BMS or protective circuitry when used in packs.
Store at 30–50% SOC in a cool, dry environment.
Avoid humidity, direct sunlight, and high-temperature storage.
Recharge every 6 months when not in use for long periods.
Standard warranty covers manufacturing defects for 12 months.
Damage caused by misuse, improper charging, or unauthorized modifications is not covered.
Specifications are subject to improvement without prior notice.
| Feature | INR18650K15SS | Standard 18650 Cell |
|---|---|---|
| Continuous Discharge | 15A | 3–10A |
| Cycle Life | 500 cycles | 250–300 cycles |
| Internal Resistance | ≤30mΩ | 40–60mΩ typical |
| Safety Features | PTC + CID | Basic or none |
| Target Applications | High-drain / industrial | General-purpose |
Advantage Summary:
The INR18650K15SS provides higher discharge capability, longer cycle life, lower impedance, and improved safety, making it suitable for professional-grade and industrial applications.
Our products are sold all over the world, you can rest assured.
