S40160L175QN350 Sodium Battery 3V 17.5Ah 4C Discharge 3000 Cycles
S40160L175QN350 – 17.5Ah High-Performance Sodium-Ion Rechargeable Battery
The S40160L175QN350 sodium-ion battery is designed for high-reliability energy storage, electric vehicle, and industrial backup applications. With exceptional low-temperature performance and high energy density, it delivers consistent power even in harsh environments. Built for long-term use, it provides robust safety, long cycle life, and thermal stability, making it ideal for both commercial and industrial energy solutions.
We provide technical support for system integration and small-batch customization, ensuring your projects benefit from the latest sodium-ion technology with confidence.
Advantages
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Extreme Low-Temperature Performance – Maintains ≥75% capacity at -40°C
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High Energy Density – 121 Wh/kg, 261 Wh/L for compact, efficient storage
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Long Cycle Life – ≥3000 cycles at 0.5C charge/discharge (80% SOH)
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Thermal Stability – Stable operation in high-temperature environments
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Safe & Certified – UN38.3, CE, RoHS, IEC 62133 compliant
Specifications
| Item | Specification | Condition |
|---|---|---|
| Nominal Voltage | 3.0V | - |
| Nominal Capacity | 17.5Ah | 0.5C, 25±2°C |
| Minimum Capacity | 17Ah | 0.5C, 25±2°C |
| Operating Voltage | 1.5V – 3.95V | - |
| AC Internal Resistance | 1.3±0.3mΩ | 1kHz, 50% SOC, 25±2°C |
| Weight | 435±10g | With packaging |
| Max Continuous Charge | 3C (20–40°C), 2C (40–60°C), 1.5C (10–20°C), 0.2C (0–10°C) | CC/CV, cut-off 3.95V/0.05C |
| Max Continuous Discharge | 4C (15–45°C) | Cut-off 1.5V |
| Pulse Discharge | 15C (10s, 15–45°C) | 50% SOC |
Cycle Life
| Test Condition | Performance |
|---|---|
| 0.5C charge/discharge, 25°C | ≥3000 cycles (80% SOH) |
(Optional: Include discharge curve showing voltage vs. capacity at different rates and temperatures)
Operating Temperature Range
| Operation | Temperature Range | Notes |
|---|---|---|
| Charging | 0°C to 60°C | Optimal: 15–40°C (cell surface temp) |
| Discharging | -40°C to 65°C | - |
| Storage ≤3 mo. | -40°C to 35°C | - |
| Storage ≤6 mo. | -10°C to 25°C | SOC 25–75% recommended |
Key Features
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Robust Safety – Passes crush, short-circuit, overcharge, and vibration tests
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High Efficiency – ≥97% capacity retention at 4C discharge
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Wide Temperature Adaptability – Operates reliably in extreme conditions
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Long-Term Reliability – Ideal for energy storage, EVs, and industrial backup
Applications
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Home and commercial energy storage systems
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Electric vehicles (EVs) and hybrid applications
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Industrial backup power systems
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Equipment operating in low-temperature environments
Usage Warnings & Precautions
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Avoid short-circuiting, overcharging, or exposure to fire
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Do not store with metal objects or under direct sunlight
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Use CC/CV chargers specifically for sodium-ion batteries
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Discharge cut-off voltage: ≥1.5V
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Charge cut-off voltage: ≤3.95V
Storage Guidelines
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Store in dry, ventilated locations with SOC 25–75%
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For long-term storage (>3 months), maintain -10°C to 25°C and recharge every 3 months
Warranty & Disclaimer
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Covers manufacturing defects only (abuse/misuse excluded)
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Not responsible for issues caused by improper circuit design or unauthorized modifications
✅ The S40160L175QN350 is a premium sodium-ion battery offering extreme low-temperature tolerance, long cycle life, and reliable energy storage, making it perfect for EVs, industrial backup, and next-generation energy systems.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.