IFR18650N18A5.4 3.2V 1800mAh High Discharge LiFePO4 Battery With 2000 Cycle Life
Product Name
IFR18650N18A5.4 Lithium Iron Phosphate (LiFePO4) Battery
Advantages
- Compact and lightweight design for portable applications.
- High discharge capability (up to 5400 mA) for power-demanding devices.
- Long cycle life (2000+ cycles) with stable performance.
- Low self-discharge rate and minimal energy loss.
- Safe and eco-friendly LiFePO4 chemistry.
Specifications
| Parameter | Value |
| Nominal Voltage (V) | 3.2 |
| Nominal Capacity (mAh) | 1800 |
| Approx Weight (g) | 43.0 |
| Internal Resistance (mΩ) | 30.0 |
| Rated Charge Current (mA) | 900 |
| Charging Voltage (V) | 3.65 |
| Rated Discharge Current (mA) | 900 |
| Max Discharge Current (mA) | 5400 |
| Cut-off Voltage (V) | 2.0 |
| Max Diameter (mm) | 18.5 |
| Max Height (mm) | 65.5 |
| Energy (Wh) | 5.8 |
Cycle Life
2000+ cycles at 50% depth of discharge (DOD).
Discharge Curve

Operating Temperature Range
| Parameter | Value |
| Charging Temperature | 0°C to 45°C |
| Discharging Temperature | -20°C to 60°C |
Certifications
- CE
- RoHS
- UN38.3
- IEC 62133 (compliance may vary by region).
Key Features
- Built-in protection against overcharge, over-discharge, and short circuits.
- Optimized for high-power, space-constrained applications.
- Low internal resistance for efficient energy transfer.
- Compatible with standard 18650 battery holders.
Applications
- Portable medical devices (e.g., handheld scanners, monitors).
- High-performance flashlights and tactical gear.
- Small drones and remote-controlled toys.
- Backup power for IoT devices and sensors.
- Consumer electronics (e.g., cameras, vaping devices).

Usage Warnings & Precautions
- Do not charge outside 0°C–45°C to avoid damage.
- Use only LiFePO4-compatible chargers.
- Avoid exposing to water, extreme heat, or direct sunlight.
- Never stack or modify the battery structure.
Storage Guidelines
- Store at 15°C–25°C in a dry environment.
- Maintain charge level between **30%–50%** during storage.
- Recharge every 3 months if unused.
Warranty & Disclaimer
- Warranty: 24 months from the date of purchase.
- Disclaimer:Damage caused by misuse, improper storage, or unapproved modifications voids the warranty. Performance metrics are based on controlled lab conditions.