IFR26650N42A12.6 LiFePo4 Battery 3.2V 4200mAh 12.6A Discharge 2000+ Cycles
Product Name
IFR26650N42A12.6 LiFePo4 Battery Cell
Advantages
- High Discharge Capability: Supports up to 12.6A (3C) continuous discharge for power-intensive tasks.
- Long Cycle Life: 2000+ cycles with ≥80% capacity retention.
- Lightweight Design: Ultra-compact and portable for space-sensitive applications.
- Safe LiFePo4 Chemistry: Inherent stability with minimal thermal runaway risk.
- Efficient Charging: 0.5C (2100mA) rated charge current.
Specifications
|
Parameter
|
Value
|
|
Model
|
IFR26650N42A12.6
|
|
Nominal Voltage
|
3.2V
|
|
Nominal Capacity
|
4200mAh
|
|
Energy
|
13.44Wh
|
|
Internal Resistance
|
≤25mΩ
|
|
Max Continuous Charge Current
|
2100mA (0.5C)
|
|
Max Continuous Discharge Current
|
12600mA (3C)
|
|
Charging Voltage
|
3.65V
|
|
Discharge Cut-off Voltage
|
2.0V
|
|
Weight
|
92g
|
|
Dimensions (Diameter × Height)
|
26.5mm × 66.5mm
|
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
|
2100mA (0.5C)
|
|
Discharging
|
-20°C to 60°C
|
12600mA (3C)
|
Discharge Curve

Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Compact Energy Storage: 13.44Wh capacity in a slim 26650 format.
- Low Self-Discharge: <3% monthly loss during idle storage.
- Durable Terminal Compatibility: Standard connectors for easy integration.
Applications
- Portable Lighting: High-lumen flashlights, camping lanterns.
- Consumer Electronics: Wireless speakers, portable fans, and drones.
- Power Tools: Compact cordless screwdrivers and mini grinders.
- Backup Systems: Emergency alarms, security cameras, and IoT devices.
- DIY Projects: Hobbyist robotics and small-scale energy storage prototypes.

Usage Warnings & Precautions
- ⚠️ Never charge above 45°C or discharge below -20°C to prevent irreversible cell damage.
- Use only LiFePo4-specific chargers with 3.65V voltage control.
- Avoid terminal short circuits, physical impacts, or exposure to liquids.
- Ensure proper insulation 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 long-term stored batteries.
Warranty & Disclaimer
- Warranty: 24-month limited warranty against manufacturing defects.
- Disclaimer: Warranty void if misused (e.g., over-discharge, extreme temperatures). Dispose responsibly per local regulations.