Equipment introduction
Test items
Open circuit voltage: test the voltage at both positive and negative ends of the battery open circuit
AC internal resistance: test the negative value of both ends of the battery discharge circuit
Discharge test: test the continuous loading capacity of the battery, let the battery discharge for a certain period of time, and check the voltage drop
Discharge over-current test: test battery high current discharge protection function, battery high current discharge trigger battery protection board discharge over-current protection function
Charging test: test the continuous charging function of the battery, the high current charging of the battery triggers the charging current protection function of the battery protection board
technical parameter
Test items
1、 Open circuit voltage
The following are the corresponding test results, test range (unit) and resolution
1. Open circuit voltage 1         0-50（v）     ± 2MV
2. Open circuit voltage 2         0-50（v）     ± 2MV
2、 AC internal resistance
The following are the corresponding test results, test range (unit) and resolution
1. AC internal resistance         0-1000（m Ω）  ± 2m Ω 3、 Discharge test
The following are the corresponding test results, test range (unit) and resolution
1. Starting voltage        0-50（v）       ± 2MV
2. End voltage        0-50（v）      ± 2MV
3. Discharge current       0.2-30（A）   ± 1MA
4. Discharge time       0-60（S）      ± 1MS
4、 Discharge over current test
1. Over discharge current       4-60（A）      ± 1MA
2. Over current delay       0-20（S）      ± 0.1MS
5、 Charging test
1. Starting voltage        0-50（v）       ± 2MV
2. End voltage        0-50（v）      ± 2MV
3. Charging current       0.2-5（A）     ± 1MA
4. Charging time       0-60（S）      ± 1MS
6、 Charging protection test
1. Charging over current       2-5（A）        ± 1MA
2. Charging delay     0-20（S）     ± 0.1MS
Equipment display