Ever Start Universal 12-Volt Automotive Battery Tester with Indicator, Model 5140

About this item
Ever Start, Universal 12-Volt Automotive Battery Tester with Indicator, Model 5140, New
Checks charging circuit of 12V batteries
Indicates safe battery charge
Clamp Fit
The light displays battery condition and battery levels
Battery Check: to check the condition of the a 12 volt battery, connect the battery check to the battery terminals (red to positive & black to negative).
Operating Instructions: charge check: while charging a 12 volt battery with a battery charger, connect the battery check to the battery terminals (red to positive & black to negative). see which light lit under charger alternator output to check your charging status.
NO BATTERIES REQUIRED.