Product Description
This 32140 model sodium-ion battery is a high-performance rechargeable battery with a diameter of 32mm and a height of 140mm. With a nominal capacity of 10Ah and a nominal voltage of 3.0V, it utilizes advanced sodium-ion chemistry specifically designed for low-temperature environments and high-rate discharge applications.
It is particularly suitable for use as a motorcycle starting battery, and is also widely used in electric motorcycles, energy storage systems, and other equipment that need to operate in demanding conditions. The battery maintains stable performance within an operating temperature range of -30°C to 60°C, with a discharge efficiency exceeding 85% at -20°C, supports 10C high-rate discharge, offers a cycle life of over 2000 cycles, and supports fast charging.
| Parameter | Specification |
| Cell Type | Sodium-ion 32140 10Ah |
| Nominal Capacity | 10Ah |
| Nominal Voltage | 3.0V |
| Internal Resistance | ≤ 15 mΩ |
| Charge Cut-off Voltage | 3.95V |
| Discharge Cut-off Voltage | 1.5V |
| Standard Charge Current | 0.5C (5000mA) |
| Maximum Charge Current | 1C (10000mA) |
| Standard Discharge Current | 1C (10000mA) |
| Max Continuous Discharge Current | 3C (30000mA) |
| Charging Temperature | -10℃ ~ 60℃ |
| Discharging Temperature | -30℃ ~ 60℃ |
| Cycle Life | ≥ 1000 cycles @ 80% capacity retention |
| Weight | Approx. 280g |
| Dimensions | Ø32.5 ± 0.2mm × 140 ± 0.5mm |
| Note | Accept customization |
Compared to traditional lithium iron phosphate (LiFePO4) batteries, this sodium-ion battery demonstrates significant advantages in the following aspects:
1. Exceptional Low-Temperature Performance: Sodium-ion batteries can achieve a capacity retention rate of over 88% at -20°C, with some products even maintaining over 90% discharge efficiency at the same temperature. In contrast, LiFePO4 batteries typically show a capacity retention rate below 70% under identical low-temperature conditions. This makes sodium-ion batteries significantly more reliable for motorcycle starting in cold regions.
2. Superior Fast-Charging Capability: This 32140 sodium-ion battery supports high-rate fast charging, capable of reaching 90% charge in just 10 minutes. This is substantially faster than the typically longer charging times required by LiFePO4 batteries, making it particularly important for applications requiring rapid response.
3. Higher Cost-Effectiveness: The abundant and widely distributed global reserves of sodium resources give sodium-ion batteries a cost advantage of approximately 30%-40%. This advantage is expected to become even more pronounced as the industry chain matures.
4. Excellent Safety Profile: Sodium-ion batteries exhibit higher internal resistance, resulting in less instantaneous heat generation during short circuits and a higher thermal runaway temperature compared to lithium-based batteries, contributing to enhanced safety.
5. Environmentally Friendly: Sodium-ion batteries contain no heavy metals, offering excellent environmental characteristics.
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