IFR26650N45A13.5 LiFePo4 Battery 3.2V 4500mAh 13.5A Discharge 2000+ Cycles
Product Name
IFR26650N45A13.5 LiFePo4 Battery Cell
Advantages
- High-Power Output: Delivers up to 13.5A (3C) continuous discharge for demanding applications.
- Long Lifespan: 2000+ cycles with ≥80% capacity retention.
- Lightweight & Compact: Ideal for space-constrained devices.
- Enhanced Safety: LiFePo4 chemistry ensures thermal and chemical stability.
- Fast Charging: 0.5C (2250mA) rated charge capability.
Specifications
| Parameter | Value |
| Model | IFR26650N45A13.5 |
| Nominal Voltage | 3.2V |
| Nominal Capacity | 4500mAh |
| Energy | 14.4Wh |
| Internal Resistance | ≤25mΩ |
| Max Continuous Charge Current | 2250mA (0.5C) |
| Max Continuous Discharge Current | 13500mA (3C) |
| Charging Voltage | 3.65V |
| Discharge Cut-off Voltage | 2.0V |
| Weight | 99g |
| 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 | 2250mA (0.5C) |
| Discharging | -20°C to 60°C | 13500mA (3C) |
Discharge Curve

Certifications
- Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Key Features
- Optimized Energy Density: 14.4Wh in a compact 26650 form factor.
- Low Self-Discharge: <3% per month for reliable long-term storage.
- Robust Terminal Design: Compatible with standard battery holders and connectors.
Applications
- Portable Electronics: High-performance flashlights, handheld GPS devices.
- Power Tools: Cordless drills, electric screwdrivers, and lawn trimmers.
- Solar Energy Storage: Small solar chargers and portable power banks.
- Medical Equipment: Portable oxygen concentrators and diagnostic tools.
- Consumer Robotics: Automated vacuum cleaners and DIY robotics projects.

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 physical impacts, water immersion, or terminal short circuits.
- Ensure proper polarity alignment during installation.
Storage Guidelines
- Recommended 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 in prolonged storage.
Warranty & Disclaimer
- Warranty: 24-month limited warranty against manufacturing defects.
- Disclaimer: Warranty void if misused (e.g., overcurrent, extreme temperatures). Dispose per local regulations.