Description
3200mAh Ultra-Low-Temperature 26650 Lithium Iron Phosphate (LFP) Cylindrical Battery | ATOMFAIRCOMMERCIAL GRADE · PRODUCTION
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This lithium iron phosphate cell requires careful temperature management and protection from electrical abuse. Store in a dry, cool environment and avoid mechanical damage to prevent thermal runaway.
- Temperature Constraints: Operate charging only at or above -30°C and discharging down to -50°C to maintain performance and safety.
- Voltage Constraints: Do not exceed a maximum charge voltage of 3.65 ± 0.03 V to prevent overcharge and cell degradation.
- Current Constraints: Limit continuous discharge current to 16A and pulse discharge to 32A for up to 30 seconds to avoid overheating.
- Mechanical Integrity: Prevent puncture, crushing, or short-circuiting of the cell to avoid safety hazards and thermal runaway.
Follow these steps to safely deploy and operate the low-temperature LFP cell. Correct handling ensures performance and longevity under extreme conditions.
Required Equipment: Constant current/constant voltage LiFePO4 charger
- Inspect the cell
Inspect the cell for physical damage, swelling, or corrosion before use. - Connect to BMS
Connect the cell to a compatible battery management system to monitor voltage and temperature during operation. - Charge the cell
Charge the cell using a constant current/constant voltage profile with a maximum charge voltage of 3.65 V. - Discharge the cell
Discharge the cell at continuous currents up to 16A or pulse currents up to 32A for 30 seconds within the rated temperature range. - Store the cell
Store the cell at a partial state of charge in a dry, cool environment to minimize capacity fade.
How does the 26650 LFP battery maintain >90% discharge capacity at -40°C without external heating, and what is the trade-off in cycle life compared to standard LFP cells?
The ATOMFAIR 26650 cell achieves >90% discharge capacity at -40°C to 1.5V through proprietary low-temperature electrolyte and electrode formulations, enabling direct operation without pre-heating. This extreme low-temperature performance does not compromise cycle life, as the cell still delivers 2000 cycles at 80% DOD and 25°C, matching standard LFP longevity.
Can this 26650 LFP cell be integrated into existing 3.2V battery packs designed for standard LiFePO4 cells, or are special BMS settings required for the low-temperature charge profile?
Yes, the cell is electrically compatible with standard 3.2V LFP pack architectures, but the BMS must be configured to enforce the temperature-dependent charge current limits: 3.0C above 0°C, 0.5C at or below 0°C, and 0.2C at or below -20°C. The minimum discharge voltage also shifts from 2.00V above -20°C to 1.50V at or below -20°C, requiring a dual-threshold undervoltage cutoff in the BMS firmware.
What are the storage and handling requirements for this low-temperature LFP cell to prevent capacity fade or internal damage during long-term deployment in polar or high-altitude environments?
The cell can be stored and operated across a charge temperature range of -30°C to 60°C and a discharge range of -50°C to 60°C without external thermal management. For long-term storage, maintain at 50% state of charge in a dry environment; the cell's ≤15 mΩ internal resistance and ISO 9001:2025 / IATF 16949 traceable production ensure mechanical robustness against thermal cycling stress common in polar deployments.
The ATOMFAIR 26650 LFP cell is engineered for extreme cold-weather energy storage, enabling direct charge and discharge from -30°C to -50°C with high-rate capability and 2000-cycle lifespan. Its moderate energy density and temperature-limited charging current are key integration considerations for system designers.
Positive
- Extreme Low-Temperature Operation: This cell can charge at -30°C and discharge at -50°C without external heating, eliminating the need for battery warmers in polar or high-altitude deployments.
- High Continuous Discharge Rate: Capable of sustained 5C (16A) continuous discharge and 10C (32A) pulse for 30 seconds, delivering >90% capacity retention at -40°C.
Trade-offs
- Temperature-Dependent Charge Current: At sub-zero temperatures, maximum charge current is reduced to 0.5C at ≤0°C and 0.2C at ≤-20°C, significantly increasing charging time in cold conditions.
- Moderate Gravimetric Energy Density: With 119 Wh/kg, this LFP cell offers lower energy density compared to NMC or NCA chemistries, requiring more cells per kWh in weight-constrained applications.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
