Sodium Ion Battery 26700 3500mah Cylindrical cell 3.5ah for laptop Vacuum cleaner
| Item | Parameters | Remark |
| Rated Capacity | 3500mah | |
| Nominal Voltage | 3.1V | |
| Internal Impedance | ≤20mΩ | Internal resistance measured at AC 1kHz after 50% charged. |
| Standard Charge Cut-off Voltage | 4.1V | |
| Standard Discharge Cut-off Voltage | 1.5V | |
| Maximum Continuous Disharge Current | 1C | |
| Peak Disharge Current | 3C | |
| Energy density | 135Wh/Kg | |
| Size | 26*71mm |
| Weight | 82g | |










Sodium has better capacity at low temperature.
90% discharge capacity at -20 degree,LFP has only 60%-70%