INR21700-4000 (8c)
产品用途：电动车、电动工具类。
产品优点：高一致性、高安全性、高循环寿命。
Model:INR21700-4000 (8c)
Product application: lawn mowers, power tools, etc.
Product advantages: High Consistency, high safety, high cycle life
|
No.序号 |
Item 项目 |
General parameter 常规参数 |
Remark 备注 |
|
1 |
Can Material 壳体材质 |
Ni-plate Steel 镀镍钢壳 |
|
|
2 |
Nominal capacity 标称容量 |
4000mAh |
0.5C5A |
|
3 |
Minimum capacity 最小容量 |
3960mAh |
0.5C5A |
|
4 |
Nominal voltage 标称电压 |
3.7V |
|
|
5 |
Maximum charge voltage充电最高电压 |
4.20±0.025 V |
|
|
6 |
Discharge cut-off voltage放电截止电压 |
2.75±0.05V |
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|
7 |
Maximum continuous charge current 最大持续充电电流 |
1 C5A |
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|
8 |
Maximum continuous discharge current 最大持续放电电流 |
8C5A |
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|
9 |
Maximum pulse discharge current 最大脉冲电流 |
45A |
|
|
10 |
Internal impedance 内阻 |
≤15mΩ |
Measured at AC1KHz of 50%DOD 半电态下交流1KHz测量 |
|
11 |
Battery weight 电池重量 |
Approx.67g 约67g |
|
|
12 |
Battery diameter (d) 电池直径 |
21.5±0.2mm |
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|
13 |
Battery height (h) 电池高度 |
70.1±0.2mm |
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|
14 |
Charge method 充电模式 |
CC-CV(Cut-off Current 0.02 C5A) 恒流恒压，截止电流0.02C5A |
CC/CV |
|
15 |
Rapid charge 快速充电 |
标准充电：0.5C5A Standard charge：0.5C5A 快速充电：1C5A Rapid charge：1C5A |
CC/CV |
|
16 |
Standard discharge 标准放电 |
Constant Current 8C5A, Cut-off Voltage 2.75±0.05V 持续电流8C5A，截止电压2.75±0.05V |
CC |
|
17 |
Operation temperature 工作温度 |
Charge/充电：0℃～45℃ Discharge/放电：-20℃～55℃ |
At 60±25%RH |
|
18 |
Storage temperature 储存温度 |
Less than 3 months：-20～45℃ Less than 1 year：-20～25℃ 小于3个月：-20～45℃ 小于1年：-20～25℃ |
At 60±25%RH |
Electric Performance/电性能
| No. | Test Item | Test Method | Test Standard | |||
| 序号 | 检测项目 | 测试方法 | 检测标准 | |||
| 1 | Normal temperature discharge performance | Standard charge, then rest for 10min and discharge at 1C5A、5C5A、8C5A respectively. | Discharge capacity/Nominal capacity×100% | |||
| 常温放电性能 | 电池标准充电后，搁置10min，然后分别以1C5A、5C5A、8C5A放电。 | 放电容量/标称容量×100% 1C5A≥100% 5C5A≥97% 8C5A≥95% |
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| 2 | Normal Temperature Storage | Store for 28 days after standard charge, then discharge at 0.5C5A to 2.75V; Then standard charge/discharge cycle for 3 times to obtain the recoverable capacity. | Residual capacity≥ Nominal capacity×85% Recoverable capacity≥ Nominal capacity×92% | |||
| 常温荷电保持能力 | 电池标准充电后，开路放置28天，然后标准0.5C5A放电至2.75V。再以标准充放电三次测试电池的恢复容量。 | 剩余容量≥标称容量×85% 恢复容量≥标称容量×92% |
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| 3 | Cycle Life | The cell is charged at 1C5A, and discharged at a constant current of 8C5A, then stored 10 min. After 300 charge-discharge cycles the residual discharge capacity is above 80% of first capacity under rate discharge (8C5). | ≥300cycles | |||
| 循环寿命 | 将电池进行1C5A充电、8C5A放电循环300次，电池残余容量≥80%*倍率放电下的首周容量 (8C5)。 | ≥300cycles | ||||
| 4 | Storage Characteristics | Stored for 12 months in room-temperature at 50%DOD. Cell shall be conducted standard charge/discharge cycle for 5 times to obtain the recoverable capacity after storage. | Recoverable capacity≥ Nominal capacity×90% | |||
| 储存性能 | 电池在50%放电深度条件下室温储存12个月后，以标准充放电循环5次，测试电池的恢复容量。 | 恢复容量≥标称容量×90% | ||||
| 5 | Discharge temperature Characteristics | Standard charged in normal temperature, stored at the following temperature for 3h, then discharged at constant current of 0.5C5A. | Discharge capacity/Nominal capacity×100% | |||
| 放电温度特性 | 常温条件下电池标准充电后，电池在放电温度环境中放置3h，然后测试0.5C5A放电的容量。 | 放电容量/标称容量×100% -10℃ ≥80% 0℃ ≥90% 25℃ ≥100% 55℃ ≥90% |
