Sodium-ion battery (72V48A) for tricycle and environmental sanitation vehicle
Electrical performance parameters of battery pack：
| parameter | Product Specifications | condition |
|---|---|---|
| Series-parallel connection mode | 2P20S | N.A |
| Rated voltage | 72V | 3.6V * number of strings |
| Rated capacity | 48Ah | 0.2C constant current and constant voltage charging, with a cut-off current of 0.02C, and 0.5C discharge, @23±2℃ |
| Charging cut-off voltage | 84V | 4.2V * number of strings, 15℃ < temperature ≤ 40℃, see cell specification for other conditions |
| Discharge cut-off voltage | 52V | 2.6V * number of strings, 15℃ < temperature ≤ 40℃, see cell specification for other conditions |
| Operating temperature range (charging) | -10~15℃ | N.A |
| Operating temperature range (discharge) | -20~55℃ | N.A |
| Standard discharge current | 24A | 23±2℃ |
| Standard charging current | 10A | 23±2℃ |
| Maximum discharge current | 48A | Maximum continuous discharge current |
| 96A (lasts for 30S) | 23±2℃ | |
| Maximum charging current | 20A | 23±2℃ |
| internal communication resistance | ≤40mΩ | 1kHz±0.1kHz |
| Recommended storage temperature range | 25-30℃ | Store at 40% to 60% SOC (State of Charge) in an environment with a relative humidity of less than 65%RH and free from corrosive gases. |
| Shipment electricity quantity | ≥50%SOC | N.A |
| IP rating | IP54 | N.A |
| cycle life | ≥3000 times | 23±2℃, charge and discharge at 0.2C/0.5C, EOL70% |
| communication | No communication | Hardware version |