Description
15Ah Extreme Low-Temperature Primary Lithium Cell (8540140-15)
High-Power 3.8V Primary Cell with -40C Operating Capability for Aerospace & Polar Research
Product Overview
The 8540140-15 is a specialized high-energy-density primary (non-rechargeable) lithium power cell engineered for mission-critical applications in extreme environments. Delivering a massive 15Ah capacity, this cell features a unique electrolyte chemistry that allows for efficient discharge down to -40C. It is designed for one-time high-reliability power delivery where consistent output and extreme environmental resilience are non-negotiable.
Technical Specifications
| Parameter Item | Technical Specification | Conditions / Remarks |
|---|---|---|
| Cell Model | 8540140-15 | Primary Cell (Non-rechargeable) |
| Nominal Capacity | >= 15Ah | 0.5C, 25C, Fresh Cell |
| Nominal Voltage | 3.8V | 0.33C, 25C |
| Work Voltage Range | 2.3V – 4.3V | Range for -40C to 0C |
| Cell Dimensions | 8.5 x 40 x 140 mm | Thickness x Width x Length |
| Cell Weight | 112 +/- 3g | Lightweight Design |
| Max. Cont. Discharge | 3C (45A) | -40C to 25C Range |
| Max. Pulse Discharge | 5C (75A) | 10s @ 50% SOC |
| Internal Resistance | < 3 mOhm | 1kHz @ 70% SOC |
| Operating Temp Range | -40C to 55C | Discharge Capability |
Core Features & Advantages
Sub-Zero Performance
Specifically optimized for ultra-low temperature environments, maintaining over 70% capacity retention even at -40C.
Extreme Discharge Rate
Capable of 3C continuous and 5C pulse discharge (75A), providing heavy-duty power for high-intensity equipment.
Validated Reliability
Passed 1.5m concrete fall tests, low-pressure (vacuum) tests, and external short-circuit protocols with zero fire or explosion risk.
Low Thermal Loss
With internal resistance < 3mOhm, the cell minimizes heat generation during high-power operation, protecting sensitive electronics.
Application Scope
- Polar Research Instrumentation
- High-Altitude Aerospace Prototypes
- Sub-Zero Emergency Power Systems
- Military-Grade Hardware Prototyping
- UAV Deep-Space Exploration Models
- Remote Environmental Monitoring
Accessories & Customization
Customization Options: Available with custom spot-welded nickel tabs, specialized insulation wrapping, and series/parallel pack assembly for specific voltage requirements. Engineering support is provided for integration into cryo-stabilized battery boxes.
TAILORED SOLUTIONS FOR YOUR RESEARCH
Contact our engineering team for technical support, custom dimensions, or official quotations.

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