IFR14400N5A1.5 LiFePo4 Battery 3.2V 500mAh 1.5A Discharge 2000+ Cycles
Product Name
IFR14400N5A1.5 LiFePo4 Battery Cell
Advantages
- Compact High-Current Output: Supports up to 1.5A (3C) continuous discharge for lightweight applications.
- Long Cycle Life: 2000+ cycles with ≥80% capacity retention.
- Ultra-Compact Design: Minimal dimensions (14.1mm × 43mm) for space-constrained devices.
- Safe LiFePo4 Chemistry: Stable performance with low thermal runaway risk.
- Balanced Charging: 0.5C (250mA) rated charge capability.
Specifications
|
Parameter
|
Value
|
|
Model
|
IFR14400N5A1.5
|
|
Nominal Voltage
|
3.2V
|
|
Nominal Capacity
|
500mAh
|
|
Energy
|
1.6Wh
|
|
Internal Resistance
|
≤70mΩ
|
|
Max Continuous Charge Current
|
250mA (0.5C)
|
|
Max Continuous Discharge Current
|
1500mA (3C)
|
|
Charging Voltage
|
3.65V
|
|
Discharge Cut-off Voltage
|
2.0V
|
|
Weight
|
15.6g
|
|
Dimensions (Diameter × Height)
|
14.1mm × 43mm
|
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
|
250mA (0.5C)
|
|
Discharging
|
-20°C to 60°C
|
1500mA (3C)
|
Discharge Curve

Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Ultra-Slim Design: Compact 14430 form factor (14.1mm × 43mm) for miniature devices.
- Low Self-Discharge: <3% monthly loss for reliable long-term storage.
- Universal Compatibility: Fits standard 14430/AAA-sized battery compartments.
Applications
- Miniature Electronics: Laser pointers, LED keychains, and digital stylus pens.
- Medical Devices: Hearing aids, wearable health patches, and compact diagnostic tools.
- IoT Sensors: Wireless environmental sensors and smart home automation devices.
- Toys & Hobbies: Mini drones, RC car remotes, and electronic pet tags.
- Emergency Tools: Compact backup power for USB-powered gadgets and safety alarms.

Usage Warnings & Precautions
- ⚠️ Do NOT charge above 45°C or discharge below -20°C to prevent irreversible 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, non-condensing environment).
- Recharge Interval: Every 6 months for batteries stored long-term.
Warranty & Disclaimer
- Warranty: 24-month limited warranty against manufacturing defects.
- Disclaimer: Warranty void if misused (e.g., overcurrent, extreme temperatures). Dispose per local regulations.