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  • -40℃超低温锂离子电池18650 3.7V 2200mAh FLC-18650LT-2200

-40℃超低温锂离子电池18650 3.7V 2200mAh FLC-18650LT-2200

-40度超低温锂电池2200mAh

电池性能参数:

电芯

锂离子电池18650LT-2200

型号

FLC-18650LT-2200

标称电压

3.7V

标称容量

2200mAh

最小容量

2100mAh

充电方法

恒流恒压

充电电流

标准充电: 0.2C(400mA)

快速充电 : 0.5C(1000mA)

充电时间:

标准充电 : 8.0 hours (参考)

快速充电 : 4.5 hours (参考)

连续放电电流

0.5C (1000mA)

放电截止电压

2.75V±0.05V

过充保护电压

4.28±0.025V单支电池

过放截止电压

2.4±0.05V 单支电池

短路保护

自动恢复或再次充电恢复 

电池尺寸(直径*高度):

18.2mm *68.5mm

重量

约 48.0g

操作温度

充电 : 0 ~ 45 °C

放电 : -40 ~ 60 °C

贮存温度

-5 ~ 35 °C推荐(25±5 °C)

注意:贮存时带40%~50%


 

FLC-18650LT-2200 -40℃低温测试报告

测试目的:检测电池在低温-40℃条件下的放电性能

测试器材:交流电源,导线若干,时钟,高低温箱 ,电压内阻测试仪

测试环境:温度(20±5)℃,湿度60±15%,正常大气压环境(86~106Kpa)

测试步骤:

1.在环境条件为(20±5)℃,正常的大气环境条下首先对样品进行外观检查,检查电池外观无明显划伤,无机械损伤和无漏液现象;

2.常温下将电池以0.5C的电流进行充电,充电上限电压为4.2V, 待充电到达上限电压后改为恒压充电,直到充电电流小于或等于0.01C,待充电结束后,静置5分钟,

3. 在常温环境下0.2C(0.5C)电流进行放电,其终止电压为3.0V,待放电结束后,记录放电容量;再按第2工步充电,待充电结束后,静置10分钟,

4. 将上述电池放入温度为(-40±2)℃的低温箱中恒温6H,然后再以不同电流电流恒流放电到2.5V,记录放电容量;

 

测试数据:

18650低温电池

 

测试曲线图:

         18650低温电池放电曲线  

 

 
 
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