Ever Start 12-Volt Battery Check, Model 5140, is an automotive battery check. Mainly used in vehicle, laboratory, instrument and other device on 12-Volt battery environment. 3 level for charger alternator output: “15.5V-Over-voltage Regulator Failure”, “14.5V-Max Charger Voltage”, “13.2V-Charger and Alternator Charging”; 3 level for battery condition: “12.6V-Full”, “12.0V-50%”, “11.5V-Low”. Note: this battery check only for 12 VDC only.

• Checks charging circuit of 12V batteries
• Indicates safe battery charge
• 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.
• 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).
• The light which lit under the battery condition will indicate the approximate voltage charge in the battery.
• NO BATTERIES REQUIRED.