Parameter
Item 项目 | Specification 规格要求 |
Nominal Capacity 标称容量 | 20.0 Ah (1C) |
Minimum Capacity 最小容量 | 20.0 Ah (1C) |
DC-IR (50% SOC 10 Sec) at 25 oC 直流内阻 | ≤1.35 mΩ |
Charge Cut-off Voltage 充电截止电压 | 2.9 V |
Discharge Cut-off Voltage 放电截止电压 | 1.5 V |
Nominal Voltage 标称电压 | 2.3 V |
Normal Charging Method 标准充电方法 | 1C CC（constant current）charge to 2.9V, then CV(constant voltage) charge at 2.9V till charge current declines to 0.05C |
1C 恒流充电至 2.9V，然后 2.9V 恒压充电至充电电流小于 0.05C | ||
Continuous charge current 持续充电电流 | Constant current 80A (4C), constant voltage 2.9V, 0.5C cut off 恒流 80A (4C), 恒压 2.9V，截止电流 0.5C | |
Continuous discharge current 持续放电电流 | Constant current 80A (4C), end voltage 1.5V 恒流 80A (4C)，截止电压 1.5V | |
Maximum continuous charge current 最大持续充电电流 | Constant current 300A (15C), constant voltage 2.9V, 0.5C cut off 恒流 300A (15C), 恒压 2.9V，截止电流 0.5C | |
Maximum continuous discharge current 最大持续放电电流 | Constant current 300A (15C), end voltage 1.5V 恒流 300A (15C)，截止电压 1.5V | |
Maximum pulse charge current 最大脉冲充电电流 | 600A (30C) | |
Maximum pulse discharge current 最大脉冲放电电流 | 600A (30C) | |
Cell weight 电池重量 | 520±5g | |
Cell dimension 电池尺寸 | Thickness 厚度：21.3±0.2mm Width 宽度：115±0.2 mm Height 高度：104±0.2 mm | |
Operating Temperature 使用工作温度 | Charge temperature range 充电温度范围: -50 ~ 70 ℃ Discharge temperature range 放电温度范围: -50 ~ 70 ℃ | |
Storage Temperature 存储温度 | ≥1 year 1 年: -20～55 ℃ 1 month 1 个月: -40～60 ℃ 7days 7 天: -50～70 ℃ | Percentage of recoverable capacity no less than 80% of initial capacities. 恢复容量不低于初始容量的 80%. |
Recoverable capacity 恢复容量 | Constant current 1C charge to 2.9V, then constant voltage charge at 2.9V till charge current declines to 0.05C, rest for 10 min, constant current 1C discharge to 1.5V, rest for 10 min. Repeat above steps 3 times and record the mean capacity. 先 1C 恒流充电至 2.9V，然后 2.9V 恒压充电至充电电流小于 0.05C，搁置 10 分钟，1C 恒流放电至 1.5V， 搁置 10 分钟。重复以上步骤 3 次，记录平均值。 | |
Storage Humidity 储存湿度 | ≤75% RH | |
Apperance 外观 | Without distortion and leakage 无变形，无漏夜 | |
