IFR18500N10A3 LiFePo4 Battery 3.2V 1000mAh 3A Discharge 2000+ Cycles
Product Name
IFR18500N10A3 LiFePo4 Battery Cell
Advantages
- Compact High-Power Output: Supports up to 3A (3C) continuous discharge for lightweight applications.
- Long Cycle Life: 2000+ cycles with ≥80% capacity retention.
- Ultra-Lightweight: Ideal for portable and space-constrained devices.
- Safe LiFePo4 Chemistry: Stable operation with minimal thermal risks.
- Efficient Charging: 0.5C (500mA) rated charge capability.
Specifications
| Parameter | Value |
| Model | IFR18500N10A3 |
| Nominal Voltage | 3.2V |
| Nominal Capacity | 1000mAh |
| Energy | 3.2Wh |
| Internal Resistance | ≤60mΩ |
| Max Continuous Charge Current | 500mA (0.5C) |
| Max Continuous Discharge Current | 3000mA (3C) |
| Charging Voltage | 3.65V |
| Discharge Cut-off Voltage | 2.0V |
| Weight | 29g |
| Dimensions (Diameter × Height) | 18.3mm × 50mm |
Cycle Life
| Cycles | Capacity Retention | Test Conditions |
| 1000 cycles | ≥90% | 0.5C Charge/Discharge, 25°C |
| 2000 cycles | ≥80% | 0.5C Charge/Discharge, 25°C |
Operating Temperature Range
| Mode | Temperature Range | Max Current (Charge/Discharge) |
| Charging | 0°C to 45°C | 500mA (0.5C) |
| Discharging | -20°C to 60°C | 3000mA (3C) |
Discharge Curve

Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Miniature Design: Compact 18500 size (18.3mm × 50mm) for ultra-portable devices.
- Low Self-Discharge: <3% monthly loss during storage.
- Universal Compatibility: Standard terminals for easy integration.
Applications
- Miniature Electronics: Laser pointers, compact LED lights, and digital stylus pens.
- Medical Devices: Hearing aids, glucose monitors, and wearable health patches.
- IoT Sensors: Low-power environmental sensors and smart home devices.
- Wearable Tech: Fitness bands, smart rings, and Bluetooth earbuds.
- Emergency Tools: Miniature backup power for keychain gadgets.

Usage Warnings & Precautions
- ⚠️ Do NOT charge above 45°C or discharge below -20°C to prevent permanent damage.
- Use only LiFePo4-compatible chargers with 3.65V voltage limits.
- Avoid terminal short circuits, physical compression, or exposure to liquids.
- Ensure proper polarity alignment during installation.
Storage Guidelines
- Optimal Storage SOC: 30%-50% (2.8V-3.3V per cell).
- Storage Temperature: -10°C to 35°C (dry, ventilated environment).
- Recharge Interval: Every 6 months for long-term stored batteries.
Warranty & Disclaimer
- Warranty: 24-month limited warranty against manufacturing defects.
- Disclaimer: Warranty void if misused (e.g., overcurrent, extreme temperatures). Dispose per local regulations.