18650 2200mAh 20A Rechargeable Lithium Ion Battery 3.7V
INR18650N22A20 – 3.7V 2200mAh High-Discharge 18650 Li-Ion Battery
The INR18650N22A20 is a reliable high-discharge 18650 lithium-ion battery, designed for power-hungry devices including electric tools, portable devices, and home appliances. With 2200mAh capacity and 20A max discharge, it delivers stable, long-lasting power even in demanding scenarios. Built for safety, durability, and efficiency, it’s an excellent choice for OEM battery packs or small-batch projects.
Our team emphasizes flexible solutions and rapid support, helping you integrate the right battery configuration for your application. Small orders are welcome without compromising quality or service.
Advantages
-
High Energy & Reliable Life – 2200mAh for sustained performance, ≥300 cycles at moderate discharge
-
Powerful Output – Supports up to 20A continuous discharge, ideal for high-demand tools and portable electronics
-
Thermally Stable & Safe – Performs reliably across extreme temperatures
-
Certified & Compliant – BIS, KC, BSMI, CB, UL, CCC standards
-
Customizable Design – Flat or button top terminals, suitable for various projects
Specifications
| Parameter | Value |
|---|---|
| Model | INR18650N22A20 |
| Chemistry | Lithium-Ion (Li-Ion) |
| Nominal Voltage | 3.7V |
| Capacity | 2200mAh |
| Charging Voltage | 4.20V ±0.05V |
| Discharge Cut-off Voltage | 2.75V |
| Max Charging Current | 2.2A |
| Max Continuous Discharge | 20A |
| Weight | ≤45.5g |
| Dimensions | Diameter ≤18.50mm × Height ≤65.30mm |
| Internal Resistance | ≤18mΩ |
| Energy Density | 464Wh/L (Volume), 179Wh/kg (Weight) |
| Terminal Type | Flat or button top (customizable) |
Cycle Life
| Charge/Discharge Condition | Cycles | Capacity Retention |
|---|---|---|
| 2.2A / 11A | 300 | ≥80% |
| 2.2A / 20A | 250 | ≥70% |
(Include discharge curve graph for voltage vs. capacity.)
Operating Temperature Range
| Condition | Temperature Range | Notes |
|---|---|---|
| Charging | 0°C to 50°C | Use compatible chargers |
| Discharging | -20°C to 75°C | Max 20A continuous discharge |
| Storage | -20°C to 45°C | Optimal long-term storage |
Key Features
-
High-Discharge Performance – 20A continuous output for power-intensive devices
-
Safe & Durable – Stable operation and robust internal structure
-
Long Cycle Life – Minimal capacity loss over hundreds of cycles
-
Eco-Friendly & Certified – RoHS-compliant and environmentally conscious
-
Flexible & Small-Batch Friendly – Supports OEM integration and customized solutions
Applications
-
Electric and cordless tools (drills, grinders, saws)
-
Garden equipment (trimmers, blowers)
-
Vacuum cleaners and small appliances (blenders, mixers)
-
Portable energy storage and power banks
-
Home automation devices and IoT electronics
Usage Warnings & Precautions
-
Use only approved chargers and devices
-
Avoid overcharging, over-discharging, and short circuits
-
Keep away from high heat, fire, water, children, and pets
-
Integrate with a proper Battery Management System (BMS) for safety
Storage Guidelines
-
Store at 20±5°C with ~50% SOC for optimal performance
-
Avoid extreme temperatures or high humidity
-
Recharge every 6 months if unused for long periods
Warranty & Support
-
12-month limited warranty from date of purchase
-
Warranty excludes misuse, improper charging, or unauthorized modifications
-
Our team provides technical support and custom battery integration assistance
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.