Sodium-ion battery for electric two-wheeled vehicles (65V20A)
Electrical performance parameters of battery pack:
| parameter | Product Specifications | condition |
|---|---|---|
| Series-parallelconnection mode | 1P18S | N.A |
| Rated voltage | 64.8V | 3.6V * number of strings |
| Rated capacity | 20Ah | 0.2C constant current and constant voltage charging, cut-off current 0.02C, 0.5C discharge, @23±2℃ |
| Charging cut-off voltage | 75.6V | 4.2V * number of strings, 15℃ < temperature ≤ 40℃, other conditionsSee the specification sheet for the battery cell |
| Discharge cut-off voltage | 50.4V | 2.8V * number of strings, 15℃ < temperature ≤ 40℃, other conditionsSee the specification for the battery cell |
| Operating temperature range (charging) | -10~15℃ | N.A |
| Operating temperature range (discharge) | -40~60℃ | N.A |
| Standard discharge current | 10A | 23± 2℃ |
| Standard charging current | 4A | 23± 2℃ |
| Maximum discharge current | 20A | Maximum continuous discharge current |
| 40A (for 30seconds) | 23± 2℃ | |
| Maximum charging current | 8±2A | 23± 2℃ |
| internal communication resistance | ≤40m Ω | 1kHz±0.1kHz |
| Recommended storage temperature range | 25-30℃ | Store at 40% to 60% SOC (State of Charge). Relative humidity < 65%RHIn an environment free from corrosive gases. |
| Shipment electricity quantity | ≥50%SOC | N.A |
| IP rating | IP54 | N.A |
| cycle life | ≥3000 times | 23±2℃, 0.2C/0.5C charge and discharge, EOL70% |
| communication | No communication | Hardware version |