Сохранить в закладки 1600465649692:
1.scope
This specification stipulates the product performance indicators, technical requirements, test methods, product use conditions and precautions of the sodium-ion battery produced by Shenzhen Polytone Technology Co., Ltd.
2. battery model
S40140RL- 15Ah Sodium-ion battery
3. battery size

4. Electrical performance index
4.1 Basic parameters
project | Specification | condition |
Nominal capacity | 15Ah |
25±2℃,0.5C/0.5C, the new battery state |
Minimum capacity | 14.5Ah | |
Operating Voltage | 1.5~3.95V | / |
Nominal voltage | 3.0V | / |
AC internal resistance | 1.5±0.3mΩ | AC 1kHz,50% SOC,25±2℃ |
battery weight | 390±10g | Include outer packaging |
Energy Density | 115Wh/kg 255Wh/L | / | |
Operating temperature | charging temperature | - 10~60℃ | No matter what charging and discharging mode the battery is in, once the battery surface temperature is found to exceed this range, the charging and discharging will stop |
discharge temperature | -40~65℃ | ||
storage temperature | -40~35°C | 3month | |
- 10~25°C | 6month | ||
cycle life | ≥2000cycles | 25±2℃,0.5C/0.5C,80% SOH | |
Exterior | No cracks, scratches, deformation, stains, electrolyte leakage, etc. | ||
4.2 Charging parameters
project | Specification | condition |
Standard charging mode | 0.5C Constant current and constant voltage charging to 3.95V/0.05C cut off | |
Standard charging current | 0.5C | / |
Maximum continuous charging current | 3C | 20~40℃ |
Standard charge cut-off voltage | 3.95V | / |
Optimum Charging Temperature Range | 15~40℃ | battery surface temperature |
4.3 Discharge parameters
project | Specification | condition |
Standard Discharge Mode | 0.5C Constant current discharge to 1.5V cut off | |
Standard discharge current | 0.5C | / |
Maximum Continuous Discharge Current | 5C | 15~45℃ |
Maximum pulse discharge current | 10C | 15~45℃ ,10s,50% SOC |
Discharge cut-off voltage | 1.5V | / |








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