18650 3.2V 1600mAh Low Temperature LiFePO4 Battery Cell, -20°C Charging, -40°C Discharging
Model: IFR18650WT-1600mAh-3.2V
Nominal Voltage: 3.2V
Typical Capacity: 1600mAh
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 | 1600mAh @ 0.2C Discharge |
| Minimum Capacity | 1550mAh @ 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 | ≤30mΩ (AC 1000Hz) |
| Cell Voltage of Shipment | ≥3.28V |
| Weight | Approx. 40g |
| 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
- Low-Temperature Charging at -20°C: Supports charging in sub-zero environments with a specified charging rate of up to 0.1C at -20°C to 5°C.
- Ultra-Low Temperature Discharge: Designed for discharge at temperatures as low as -40°C, suitable for cold-climate applications.
- High Discharge Rate: Supports continuous discharge up to 3C and instantaneous discharge up to 6C for 5 seconds.
- Compact and Lightweight: Approx. 40g cell weight, suitable for compact and lightweight battery designs.
- Low Internal Impedance: Initial AC impedance of ≤30mΩ at 1000Hz.
- LiFePO4 Battery Chemistry: 3.2V nominal voltage with stable lithium iron phosphate chemistry.
- Wide Operating Temperature: Discharge temperature range of -40°C to 60°C and charging temperature range of -20°C to 60°C, subject to charging limits.
- OEM/ODM Battery Solutions: Custom battery pack assembly and cell supply options to meet specific project requirements.
Applications
- Outdoor Monitoring Systems: Low-temperature battery power for remote sensors, surveillance cameras and environmental monitoring equipment.
- Industrial Instruments: Rechargeable LiFePO4 battery solutions for industrial instrumentation and equipment operating in cold environments.
- Remote Communication Devices: Battery power for wireless communication terminals and remote monitoring systems.
- Cold-Climate Electronics: Low-temperature battery cells for electronic devices used in cold regions and high-altitude environments.
- Portable Electronic Equipment: Compact and lightweight battery solutions for portable devices requiring reliable power in low-temperature conditions.
- Specialized Battery Packs: Custom low-temperature LiFePO4 battery packs for outdoor, industrial and other specialized applications.
Request a Quote
Looking for a reliable 3.2V 1600mAh low-temperature LiFePO4 battery cell for your project?
LNC supplies A-grade low-temperature lithium battery cells and provides customized battery pack assembly solutions through our manufacturing partners. We support OEM/ODM projects, sample orders and bulk supply for industrial, outdoor and cold-climate applications.
Contact us for pricing, samples and technical specifications.
To help us recommend a suitable battery solution, please provide your application, operating temperature, discharge current, required dimensions and estimated order quantity.
