Minn Kota Digital Battery Meter MK-BM-1D

• For use with 12 volt batteries. • L.E.D. Screen gives current voltage of the battery being tested. • “State of Charge” Indicators display battery status: 0, 1/3, 2/3, Fully Charged. • Touch the positive lead to the positive terminal on the battery and the negative lead of the probe to the negative terminal.