
基本特性
No.序號 |
Item 項目 |
General parameter 常規(guī)參數(shù) |
Remark 備注 |
1 |
Can Material 殼體材質 |
Ni-plate Steel 鍍鎳鋼殼 |
|
2 |
Nominal capacity 標稱容量 |
4000mAh |
Charge:0.5C5A,4.2V,CC CV 0.01C5ACut-off, Discharge:0.2C5A,2.75V dischargecut-off |
3 |
Minimum capacity 最小容量 |
3900mAh |
|
4 |
Nominal voltage 標稱電壓 |
3.7V |
|
5 |
Maximum charge voltage充電最高電壓 |
4.20±0.025V |
|
6 |
Discharge cut-off voltage放電截止電壓 |
2.75±0.05V |
|
7 |
Maximum continuous charge current 最大持續(xù)充電電流 |
1C5A |
|
8 |
Maximum continuous discharge current 最大持續(xù)放電電流 |
10C5A |
|
9 |
Maximumpulse discharge current 最大脈沖電流 |
60A |
20ms |
10 |
Internal impedance 內阻 |
≤18mΩ |
Measured at AC1KHz of 50%DOD 半電態(tài)下交流1KHz測量 |
11 |
Battery weight 電池重量 |
Approx.67g 約67g |
|
12 |
Battery diameter (d) 電池直徑 |
21.3±0.2mm |
|
13 |
Battery height (h) 電池高度 |
70.5±0.3mm |
|
14 |
Chargemethod 充電模式 |
CC-CV(Cut-off Current 0.02C5A) 恒流恒壓,截止電流0.02C5A |
CC/CV |
15 |
Rapid charge 快速充電 |
標準充電:0.5C5A Standard charge:0.5C5A 快速充電:1C5A Rapid charge:1C5A |
CC/CV |
16 |
Standard discharge 標準放電 |
Standard dischargeConstant Current 0.2C5A,Cut-off Voltage 2.75±0.05V 標準放電持續(xù)電流0.2C5A,截止電壓2.75±0.05V Max Constant Current 10C5A,Cut-off Voltage 2.75±0.05V 最大持續(xù)電流10C5A,截止電壓2.75±0.05V |
CC |
17 |
Operation temperature(Cell surface temperature) 工作溫度(電池表面溫度) |
Charge/充電溫度:0℃~50℃ Rechargerelease/恢復充電溫度:≤45℃ |
At 60±25%RH |
Discharge/放電溫度:-20℃~80℃ Re dischargerelease/恢復放電溫度:≤60℃ |
|||
18 |
Storage temperature 儲存溫度 |
Less than 3 months:-20~45℃ Less than 1 year:-20~25℃ 小于3個月:-20~45℃ 小于1年:-20~25℃ |
At 60±25%RH |
電池性能
No.序號 |
Test Item 檢測項目 |
Test Method 測試方法 |
Test Standard 檢測標準 |
1 |
Normal temperaturedischarge performance 常溫放電性能 |
Standard charge,then rest for 10min and discharge at 1C5A、5C5A、10C5A respectively. 電池標準充電后,擱置10min,然后分別以1C5A、5C5A、10C5A放電。 |
Discharge capacity/First cycle capacity×100% 放電容量/首周容量×100% 1C5A≥100% 5C5A≥97% 10C5A≥95% |
2 |
Normal Temperature Storage 常溫荷電保持能力 |
Store for 28days after standard charge,then discharge at 0.5C5A to 2.75V;Then standard charge/discharge cycle for 3times to obtain the recoverable capacity. 電池標準充電后,開路放置28天,然后標準0.5C5A放電至2.75V。再以標準充放電三次測試電池的恢復容量。 |
Residual capacity≥First cycle capacity×85%Recoverable capacity≥First cycle capacity×92% 剩余容量≥首周容量×85% 恢復容量≥首周容量×92% |
3 |
Cycle Life 循環(huán)壽命 |
The cell is charged at 1C5A, and discharged at a constant current of 10C5A, then stored 30min.After 300charge-dischargecycles the residual discharge capacity is above 80% of first capacity under rate discharge (10C5). 將電池進行1C5A充電、10C5A放電循環(huán)300次,電池殘余容量≥80%*倍率放電下的首周容量 (10C5)。 |
≥300cycles |
4 |
Storage Characteristics 儲存性能 |
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 capacityafter storage. 電池在50%放電深度條件下室溫儲存12個月后,以標準充放電循環(huán)5次,測試電池的恢復容量。 |
Recoverable capacity≥First cycle capacity×90% 恢復容量≥首周容量×90% |
5 |
Discharge temperature Characteristics 放電溫度特性 |
Standard charged in normal temperature,stored atthe following temperature for 3h,then discharged at constant currentof 0.5C5A. 常溫條件下電池標準充電后,電池在放電溫度環(huán)境中放置3h,然后測試0.5C5A放電的容量。 |
Discharge capacity/First cycle capacity(25℃)×100% 放電容量/首周容量(25℃)×100% -10℃ ≥70%(2.5V) 0℃ ≥85% 25℃ ≥100% 55℃ ≥90% |