Have Vident iBT100 12v battery tester to test Hyundai Battery with GEL type and CCA Rating, the test result is good.
Here we go for procedure:
Connect the negative pole first, then the positive pole (Very important).
Vident iBT100 battery tester will boot soon.
Have battery voltage: 12.5V
Select battery location “In vehicle”, or choose “Out of vehicle” according to your need.
Select the battery type: GEL.
Select battery standard “CCA” (other options: EN, DIN, IEC, SAE, IEC, SAE, JIS etc)
Input 640CCA by looking at the Hyundai battery label.
Okay, have battery result: Good battery.
Job is done.
To sum up:
The test procedure is based on the actual battery parameters. Therefore, the test result by Vident iBT100 is very accurate.