3.2V 3600mAh 26650 Low Temperature LiFePO4 Battery Cell, -20°C Charging, -40°C Discharging
Model: IFR26650WT-3600mAh-3.2V
Nominal Voltage: 3.2V
Typical Capacity: 3600mAh
Features: Low-temperature charging at -20°C, discharging at -40°C, 3C continuous discharge, and 6C instantaneous discharge (5s).
Product Specification
| Parameter | Specification |
|---|---|
| Battery Chemistry | LiFePO4 |
| Nominal Voltage | 3.2V |
| Charge Cut-off Voltage | 3.65V |
| Discharge Cut-off Voltage | 2.0V (Ambient temperature > -20°C) 1.5V (Ambient temperature ≤ -20°C) |
| Typical Capacity | 3600mAh @ 0.2C Discharge |
| Minimum Capacity | 3550mAh @ 0.2C Discharge |
| Standard Charge Method | 0.2C Constant Current, followed by Constant Voltage Charging at 3.65V until Current Drops to 0.02C |
| Max. Charge Rate | 1.0C |
| Max. Discharge Rate | 3.0C |
| Maximum Allowable Current at High Rate | 6.0C (Instantaneous, 5s) |
| Charge Temperature | -20°C to 60°C |
| Charging Conditions | -20°C to 5°C: Max. 0.1C, Cut-off 3.6V 5°C to 25°C: Max. 0.5C, Cut-off 3.65V 25°C to 60°C: Max. 1.0C, Cut-off 3.65V |
| Discharge Temperature | -40°C to 60°C |
| Initial Impedance | ≤50mΩ (AC 1000Hz) |
| Cell Voltage of Shipment | ≥3.28V |
| Weight | Approx. 87.5g |
| Storage Environment | -20°C to +40°C: Less than 3 months -20°C to +25°C, ≤50% RH: 3–12 months |
| Long-term Storage | Maintain SOC at 20%–35%; Voltage Inspection Required Before Use |
| Storage Maintenance | Charge-discharge Activation Recommended Every 6 Months for Long-term Storage |
Key Features
- Ultra-Low Temperature Discharge: Supports discharge at temperatures as low as -40°C, suitable for extreme cold environments.
- Low-Temperature Charging: Supports charging from -20°C with temperature-dependent charging rates.
- High Discharge Performance: Supports continuous discharge up to 3C and instantaneous discharge up to 6C for 5 seconds.
- High Capacity: 3600mAh typical capacity with 3550mAh minimum capacity.
- Stable LiFePO4 Chemistry: Provides a nominal voltage of 3.2V and stable battery performance.
- Wide Operating Temperature Range: Discharge from -40°C to 60°C and charge from -20°C to 60°C, subject to specified charging limits.
- Custom Battery Solutions: Supports OEM/ODM battery pack assembly based on specific application requirements.
Applications
- Outdoor Monitoring Equipment: Remote surveillance cameras, environmental monitoring systems and outdoor sensors.
- Low-Temperature Industrial Equipment: Industrial instruments and equipment operating in cold environments.
- Remote Communication Systems: Wireless communication devices and remote monitoring terminals.
- Cold-Region Applications: Electronic equipment used in cold storage facilities, high-altitude areas and cold climates.
- Outdoor Power Systems: Customized battery packs for outdoor equipment and specialized power applications.
- Specialized Battery Packs: Custom LiFePO4 battery solutions requiring low-temperature discharge performance.
Request a Quote
Looking for a reliable low-temperature LiFePO4 battery cell for your project?
LNC supplies A-grade lithium battery cells and provides customized battery pack assembly solutions through our manufacturing partners. We support OEM/ODM projects, sample orders and bulk supply according to your technical requirements.
Contact us for pricing, samples and technical specifications.
To help us recommend a suitable battery solution, please provide your required capacity, operating temperature, discharge current, application and estimated order quantity.
