保质期限 | 一年 |
---|---|
标称容量 | 4000mah |
标准电压 | 3.7V |
标准容量 | 4000mah |
产品认证 | ROHS、UN38.3 |
充电电流 | 0.5 |
充电时间 | 8H |
电池类型 | 锂聚合物 |
额定容量 | 4000mah |
是否可充电 | 是 |
适用类型 | 平板电脑 |
外形尺寸 | 3.7*66*125 |
外型尺寸 | 3.7*66*125 |
品牌 | 奥格 |
型号 | 3766125 |
加工定制 | 是 |
化学类型 | 锂聚合物 |
适用产品型号 | 数码 |
内阻 | 30毫欧 |
最小容量 | 4000mah |
出厂电压 | 3.8-4.2V |
是否充电 | 是 |
产品规格
NO. | Items | Specifications |
1 | Charge voltage 充电电压 | 4.3V |
2 | Nominal voltage 标称电压 | 3.7V |
3 | Nominal capacity 标称容量 | 4000mAh@ 0.2C Discharge(放电) |
4 | Charge current 充电电流 | Standard Charging::0.5C 标准充电: 0.5C Rapid charge: 1.0C 快速充电: 1.0C |
5 | Standard Charging method 标准充电方法 | 0.5C CC(constant current)charge to 4.3V,then CV(constant voltage 4.3V)charge till charge current decline to≤0.05C 0.5C CC(恒流)充电至4.3V,再CV(恒压4.3V)充电直至充电电流≤0.05C |
6 | Charging time 充电时间 | Standard Charging:3.0hours(Ref.) 标准充电: 3.0小时(参考值) Rapid charge: 2hours(Ref.) 快速充电: 2小时(参考值) |
7 | Max.charge current 最大充电电流 | 1.0 C |
8 | Max.discharge current 最大放电电流 | 2.0 C |
9 | Discharge cut-off voltage 放电截止电压 | 3.0V |
10 | Operating temperature 工作温度 | Charging: 0℃~45℃ 充电: 0℃~45℃ Discharging:0℃~45℃ 放电: 0℃~45℃ |
11 | Storage temperature 储存温度 | -10℃~ +45℃ |
12 | Cell Dimension 电芯尺寸 | Length长度:125 mm Max (not including tabs)
Width宽度: 66. mm Max
Thickness厚度:3.7 mm Max |
电芯性能检查及测试
4.1 Electrical characteristics充放电性能
NO. | Items | Test Method and Condition | Criteria |
1 | Standard Charge 标准充电 | Charging the cell initially with constant current at 0.5C and then with constant voltage at 4.3V till charge current declines to 0.05C 先用0.5C恒流充电至4.3V,再恒压4.3V充电直至充电电流≤0.05C |
|
2 | Rated Capacity 初始容量 | The capacity means the discharge capacity of the cell, which is measured with discharge current of 0.2C with 2.8V cut-off voltage after standard charge. 该容量是指标准充电后,0.5C放电至3.0V截止电压所放出的容量。 | ≥4000mAh |
3 | Cycle Life 循环寿命 | Test condition: Charge:0.5C to 4.2V Discharge:0.5C to 2.8V, 70% or more of 1stcycle capacity at 0.5C discharge of Operation 测试条件: 充电:0.5C充电到4.3V 放电:0.5C放电到3.0V 当放电容量降至初始容量的70%时,所完成的循环次数定义为该电芯的循环寿命 | ≥500周次 |
4 | Self-discharge 自放电 | After the standard charging, storied the cells under the condition as No.4.4 for 30 days, then measured the capacity with 0.2C till 2.8V 标准充电后,在No.4.4条件下贮存30天,再以0.2C放电至3.0V所放出的容量。 | Residual capacity >90% 剩余容量>90% |
5 | Initial impedance 初始内阻 | Internal resistance measured at AC 1KHz after 50% charge半充状态下,测量其AC 1KHz下的交流阻抗 | ≤30mW |
6 | Cell Voltage 电芯电压 | As of shipment. 出货状态 | 3.7V~3.9V |
7 | Temperature Characteristics 温度特性 | 1. According to item 4.1.1, at 23±5℃. 2. Capacity comparison at each temperature, measured with constant discharge current 0.2C with 2.8V cut-off.Percentage as an index of the capacity compared with100% at 23℃ 1.在23±5℃条件下,用4.1.1方法将电芯充电。 2.在不同温度条件下,用0.2C的电流恒流放电至截止电压2.8V。以23℃时放电容量为基准计算百分比。 | -20℃: ≥65% 23℃: 100% 60℃: ≥96% |
8 | Storage Characteristics 储存特性 | 1. According to item 4.1.1, at 23±5℃. 2. The battery shall be stored at 60±5℃ for 7days and rested at room temperature for 1 hour then measured with constant discharge current 0.5C with 3.0V cut-off. 1.在23±5℃条件下,用4.1.1方法将电芯充电。 2.将电池在60±5℃条件下贮存7天,然后在常温下静置1小时,用0.5C的电流恒流放电至3.0V截止电压。 | Retained Capacity ≥85% |