About DCIR(direct current internal resistance), we care about the discharge internal resistance instead of charge.
According to IEC standard, DCIR values can be tested by two steps of discharge which are 1C discharge for 1 seconds and 0.1C discharge for 10 second.
Here, using C-Rate or without using C-Rate, we can differentiate two methods to calculate the value of DCIR.
With C-Rate:
If you want to test DCIR with C-Rate, the ratio of Material and Spec. Cap should be filled in, and the current in each step will be automatically calculated by the computer.
If without filling the ratio under the C-rate mode testing , this tip will show on the screen.
Without C-Rate：
If you want to test DCIR without C-Rate, then you need to fill current in each step.
If you have more questions, please contact me with: lulu@newarebattery.com https://www.facebook.com/batterytester.neware
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