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12v car battery monitor

Velleman MK189: 12V Car Battery Tester Minikit

Velleman MK189

Car Battery Tester Soldering Kit

Test your car battery's status with the Velleman MK189: 12V Car Battery Tester Minikit. Through 3mm LED, you will get one of the following statuses:

  • Green = battery is OK
  • Slow pulsing (green) = Battery is OK or charging
  • Red = battery is low
  • Red blinking = battery is being over charged

Once the minikit is assembled, connect to your battery once the vehicle is on. Small board size of 1.18” x 0.78”. Enclosure not included.

Additional Information

Difficulty Level 1


Assembly instructions
Illustrated manual explaining how to build the mini-kit

Info Sheets

Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.

Product information about the 12V car battery monitor

 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product