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Document No
P/PR03/PB-D-H18650CH
Version
A/05
Page
3/ 9
This spec manual is the enterprise standard of BAK Power, without authorization, any pirate or circulation is prohibited.
该规格书为比克动力企业标准
,
未经授权
,
不可翻印
,
传播
.
Internal resistance
内阻
≤35 mΩ(AC Impedance, 1000 Hz)
Cell dimension
电芯尺寸
Height: 64.85
±
0.25 mm
高度:
64.85
±
0.25 mm
Diameter: 18.35
±
0.15 mm
直径:
18.35
±
0.15 mm
Weight
重量
≤ 48g
5
Technical requirements
技术要求
5.1
Cell usage conditions
电芯使用环境
Temperature of charge
充电温度:
0
~
45
℃
Temperature of discharge
放电温度:
-20
~
60
℃
5.2
Cell testing conditions
电芯试验环境
Unless otherwise specified, all tests stated according to following:
除非有特殊说明,所有测试的环境条件要求如下:
Temperature
温度:
22.5±2.5
℃
5.3 Requirement of the testing equipment
测量仪表要求
Voltage meter: The voltage tester internal resistance is ≥ 10 K
/V
电压仪表要求:测量电压的仪表内阻不小于
10K
/V
Temperature meter: The precision is ≤0.5
℃
温度仪表要求:测量温度的仪表精度不低于
0.5
℃
5.4
Electrochemical Characteristics
电化学特性
(Fresh cells, tested at
22.5±2.5
℃
,standard charge and discharge unless otherwise specified.
(除非有特殊说明,否则所有测试要求为:温度在
22.5±2.5
℃条件下,样品为新电池,充放电制度为
标准充电和标准放电)
NO.
序号
ITEM
测试项目
CRITERION
性能标准
5.4.1
Discharge
rate
capability
倍率放电
性能
Test condition:
Temperature : 22.5±2.5
℃
Charge: CC/CV 0.5C
(
1250mA
)
4.2V cut off current: 0.01C
(
25mA
)
Discharge: CC variable values; End-of-discharge Voltage: 2.75V
%
95
0.2C
at
capacity
discharge
0.5C
at
capacity
discharge
;
%
95
0.2C
0.5C
放电容量
放电容量
;
%
90
0.2C
at
capacity
discharge
1.0C
at
capacity
discharge
;
%
90
0.2C
1.0C
放电容量
放电容量
;
%
80
0.2C
at
capacity
discharge
2.0C
at
capacity
discharge
;
%
80
0.2C
2.0C
放电容量
放电容量
5.4.2
Cycle life
循环寿命
Test condition:
Temperature : 22.5±2.5
℃
Charge: CC/CV 0.5C
(
1250mA
)
4.2V cut off current: 0.02C
(
50mA
)