DCIR Test

There are two kinds of test operation to test the battery DCIR--Pulse DCIR test and Step DCIR test.

Pulse DCIR test operation

Operation standard of pulse DCIR test: At 0.2C working current the battery works 10s, and at 1C  battery works 1s. The following operation is a pulse DCIR test based on 3V-4.2V working voltage and 2.9Ah capacity battery. Steps setting are as follows.

For the detailed operation of step setting, this article does not describe here. Please refer to the article “pulse test ”. After edit the steps successfully, load the file into BTS7.6.0 and begin to test. Then you can get the data NDA file. Click the DCIR icon in the Toolbar.

Select the items as figure shows and click OK.

The DCIR battery in this channel is calculated automatically by the software.

Step DCIR test operation

The results of normal step test data can also be calculated to obtain battery DCIR, as shown in the following:

1. Open the data NDA file and click DCIR icon in Toolbar, select “Step DCIR”.
2. Select the items as figure shows. And click OK. Notes: when you finish selecting in the forth step, the group will not appear in the white area, so you need to click “Add Group” firstly. Of course, if it shows at the beginning. The fifth step can be ignored.
3. DCIR is calculated automatically by the software. Click OK and back to data main area.

    

    

   If you want DCIR numeric value to be shown on main window, Click OK and back to data main window. Double left click the step layer until yellow arrow icon appears. Then click data header empty area and select “DCIR”. Then DCIR parameter will be shown on data area.

   

   Notes: The DCIR on main window is the result of Step DCIR test, not Pulse DCIR test.