The MK-BM-1D Battery Meter, item number 1820087, is a handy way to monitor the voltage level and “state of charge” of any 12-volt battery with an LED display that indicates full, 2/3, 1/3 or 0 “state of charge". It is easy to store and is powered by the battery you are testing.
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Using the Battery Meter
Touch the positive metal tip to the positive terminal on the battery you are testing.
Touch the negative metal tip of the probe to the negative terminal on the battery you are testing.
Once you make contact with both terminals, you will see the voltage display on the meter and the indicators lights will show the state of charge.
