Li-Ion 18650 2200mAh Rechargeable Battery Cell (SF 18650NR-22)

🔋 Li-Ion 18650 2200mAh Rechargeable Battery Cell

The SF 18650NR-22 is a high-quality cylindrical Lithium-Ion rechargeable cell designed for demanding applications requiring stable power delivery, long cycle life, and reliable performance. Ideal for DIY battery packs, power tools, flashlights, e-bikes, and IoT devices.

⚡ Key Specifications

• Cell Type: Lithium-Ion (Li-Ion)
• Model: SF 18650NR-22
• Form Factor: 18650 Cylindrical
• Nominal Capacity: 2200 mAh
• Nominal Voltage: 3.6V
• Charging Voltage (Max): 4.2V
• Discharge Cut-off Voltage: 2.75V
• Standard Charge Current: 1100 mA (0.5C)
• Max Charge Current: 2200 mA (1C)
• Standard Discharge Current: 440 mA (0.2C)
• Max Continuous Discharge Current: 4400 mA (2C)
• Operating Temperature (Charge): 0°C to 45°C
• Operating Temperature (Discharge): -20°C to 60°C
• Cell Dimensions: Ø18.4 mm × 65.0 mm
• Weight: Approx. 45g

✅ Features & Benefits

• High energy density for compact, lightweight battery pack designs
• Low self-discharge rate — retains charge during storage
• Built-in safety mechanisms against overcharge, over-discharge, and short circuit
• Long cycle life — suitable for repeated charge/discharge applications
• RoHS compliant — environmentally responsible manufacturing

🛠️ Typical Applications

• DIY Li-Ion battery packs
• Flashlights & portable lighting
• Power tools & cordless devices
• E-bikes & electric scooters
• Robotics & IoT hardware projects
• Laptop battery replacements

⚠️ Safety Notice: Li-Ion cells must be handled with care. Always use a compatible BMS (Battery Management System) when assembling battery packs. Do not short-circuit, puncture, or expose to extreme heat.

Package Includes:

1 x Li-Ion 18650 2200mAh Rechargeable Battery Cell