The INR18650N15A20 is a compact yet powerful lithium-ion battery, engineered for high-drain applications like power tools, vacuum cleaners, and portable energy systems. With robust safety features, long cycle life, and high discharge capability, it ensures reliable performance across industrial, commercial, and consumer applications.
We support small-batch customization and technical guidance, making it easy to integrate into your high-performance battery packs.
High Energy Density – 316 Wh/L volume, 123 Wh/kg by weight, for efficient energy storage
High Discharge Rate – Supports up to 20A continuous discharge for power-intensive devices
Reliable Long Cycle Life – 500 cycles at 15A discharge with ≥60% capacity retention
Wide Operating Temperature – Efficient operation from -20°C to 60°C
Certified Safe – Complies with UL, CB, CCC, BIS, KC, BSMI standards
| Parameter | Value | Notes |
|---|---|---|
| Model | INR18650N15A20 | - |
| Chemistry | Li-Ion | - |
| Nominal Voltage | 3.7V | - |
| Nominal Capacity | 1500mAh | - |
| Charging Limit Voltage | 4.20V ±0.05V | - |
| Discharge Cut-off Voltage | 2.75V | - |
| Max Charging Current | 4.0A | CC/CV charging |
| Max Continuous Discharge | 20A | High-drain applications |
| Weight | ≤45.0g | - |
| Dimensions | Diameter ≤18.50mm, Height ≤65.30mm | Standard 18650 form factor |
| Internal Resistance | ≤18mΩ | - |
| Volume Energy Density | 316 Wh/L | - |
| Weight Energy Density | 123 Wh/kg | - |
| Test Condition | Capacity Retention |
|---|---|
| 1.5A charge / 15A discharge | ≥60% after 500 cycles |
| 4A charge / 20A discharge | ≥60% after 300 cycles |
(Optional: Include discharge curve showing voltage vs. capacity for clarity)
| Operation | Temperature Range | Notes |
|---|---|---|
| Charging | 0°C to 45°C | Max current 4.0A |
| Discharging | -20°C to 60°C | Max discharge 20A |
| Storage (12 mo.) | -10°C to 25°C | Recoverable capacity ≥85% |
High Discharge Performance – Ideal for power tools, industrial equipment, and emergency power systems
Durable & Safe – Integrated protection against overcharge, over-discharge, and short circuits
Efficient & Reliable – Maintains ≥60% capacity after hundreds of cycles
Versatile Applications – Works well in electric vehicles (EVs), energy storage systems (ESS), and portable medical devices
Cordless power tools and vacuum cleaners
Industrial mobile equipment
Portable energy storage and backup systems
Emergency lighting and small EV packs
Use only approved chargers and devices
Avoid short-circuiting, overcharging, or extreme temperatures
Stop use immediately if swelling, leakage, or overheating occurs
Dispose of used batteries responsibly; do not incinerate or immerse in water
Store at 20±5°C with 50% SOC for optimal performance
Recharge to 60% capacity every 3 months if unused
Avoid prolonged storage above 45°C or below -10°C
12-month limited warranty from shipment date
Warranty covers manufacturing defects only
Manufacturer is not responsible for accidents due to misuse, improper charging, or unauthorized modifications
✅ The INR18650N15A20 combines compact size, high discharge capability, and reliable long-term performance, making it perfect for high-power tools, energy storage packs, and industrial applications.
Our products are sold all over the world, you can rest assured.
