Please read the instructions carefully before the meter is connected. otherwise you will mistake that the meter is a defective one.
Led battery indicator 10 segment LED bar graph display for Lead-acid only
Make sure your "C" terminal is either connected to the Battery "+" or a Key switch, otherwise, meter scans from full to empty then shuts off
The meter is equipped with a battery recall feature and not turned to the "full" position while charging for at least 6 minutes
Please connect the correct voltage to your battery indicator as noted on your model . Failure to connect to the correct voltage will damage the batery indicator causing it to function abnormally