FEB 18650-35EA 3500mAh 3.6V Low Temperature Lithium-Ion Rechargeable Battery Cell
The FEB 18650-35EA is a 3500mAh low-temperature lithium-ion rechargeable battery cell designed for battery pack manufacturers and equipment developers requiring reliable power in cold operating environments. With a nominal voltage of 3.6V and an energy capacity of 12.6Wh, this cylindrical 18650 cell combines compact dimensions with a wide discharge temperature range.
One of its key features is its ability to discharge at temperatures as low as -40°C, making it suitable for applications where conventional battery cells may face limitations in cold conditions. The cell supports a discharge temperature range of -40°C to +60°C, while charging is permitted from -10°C to +45°C, subject to the specified operating conditions.
With a standard 18650 form factor, a diameter of approximately 18.35mm and a height of approximately 65.05mm, the cell can be considered for integration into custom battery packs and portable power assemblies. Its rated capacity and temperature characteristics make it a candidate for outdoor monitoring equipment, industrial instruments, remote sensing devices and other electronic systems operating in cold environments.
Pour les acheteurs B2B, battery pack manufacturers and equipment OEMs, the FEB 18650-35EA offers a cell-level power solution for projects that require low-temperature discharge capability. Battery pack design should account for the required output current, système de gestion de batterie, charging control, thermal conditions and application-specific safety requirements.
Basic Information
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Modèle de produit: FEB 18650-35EA
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Type de produit: Cellule de batterie lithium-ion rechargeable
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Format de cellule: Cylindrique 18650
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Capacité nominale: 3500mAh
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Tension nominale: 3.6V
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Énergie nominale: 12.6Wh
Electrical Specifications
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Charging Cut-Off Voltage: 4.2V
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Tension de coupure de décharge: 2.5V
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Résistance interne CA: ≤19mΩ
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Courant de décharge continu maximum: Up to 7A under the specified temperature conditions
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Maximum Continuous Discharge Current Temperature Condition: 0°C to below 45°C
Temperature Specifications
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Plage de température de charge: -10°C to +45°C
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Discharging Temperature Range: -40°C à +60°C
Mechanical Specifications
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Diamètre de cellule: 18.35 ± 0.15mm
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Hauteur de cellule: 65.05 ± 0.15mm
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Poids des cellules: ≤48g
Durée de vie
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Durée de vie: 800 cycles
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Capacity Retention: ≥70% under the specified test conditions
Potential Applications
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Outdoor monitoring equipment
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Industrial instruments
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Remote sensing devices
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Cold-weather electronic equipment
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Packs de batteries lithium-ion personnalisés
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OEM battery-powered devices
Important Engineering Notes
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The maximum continuous discharge current is temperature-dependent and should not be treated as a universal rating across the full operating temperature range.
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Charging and discharging must follow the cell specification and the requirements of the final battery pack design.
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The cell is a battery component, not a complete battery pack. A suitable battery management and protection design is required for the intended application.
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Confirm the complete operating profile and application-specific requirements with the supplier before finalizing a battery pack design.
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1. Low-Temperature Discharge Capability
Designed to support discharge in environments as cold as -40°C, helping equipment developers address power requirements in cold-weather applications.
2. 3500mAh Rated Capacity
Provides 3500mAh nominal capacity and 12.6Wh nominal energy in a compact cylindrical cell format.
3. Standard 18650 Form Factor
The cylindrical design supports integration into appropriately engineered battery packs and multi-cell power assemblies.
4. Large plage de températures de décharge
Supports a specified discharge temperature range of -40°C to +60°C, offering flexibility for equipment used across varying environmental conditions.
5. Defined Charging Temperature Range
Supports charging from -10°C to +45°C according to the product specification. Charging must follow the specified limits and appropriate control strategy.
6. Compact Cell Dimensions
With dimensions of approximately 18.35mm in diameter and 65.05mm in height, the cell is suitable for space-conscious battery pack designs.
7. OEM Battery Pack Integration
Designed for consideration in custom battery pack projects, subject to validation of current requirements, electrical configuration, thermal management and protection circuitry.
8. Industrial and Outdoor Applications
Potential applications include outdoor monitoring devices, industrial instruments, remote sensing equipment and other electronic systems that may operate in cold conditions.
9. Defined Cycle-Life Performance
The specification states 800 cycles with at least 70% capacity retention under the specified test conditions. Actual cycle life depends on the application and operating profile.
10. B2B Project Evaluation
The cell’s defined capacity, tension, dimensions and temperature ranges help OEMs and battery pack manufacturers evaluate its suitability for project-specific requirements.
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