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BAT 135 Battery Tester
BAT 135 | REV. A | JANUARY 2018
Appendix B Surface Charge Notice
The battery will hold a surface charge if the engine has been running or after the battery has been charged. The
tester may prompt you to remove the surface charge. Follow the instructions indicating when to turn the headlights
on and off or apply a load into the battery.
In Vehicle
Out of Vehicle
The tester will resume testing after it detects that the surface charge is removed.
1. Test the battery for a few seconds.
2. Press to select battery fully charged or not if tester asks, then press ENTER to confirm choice.
3. When the test is completed, the display shows the actual volts and the actual SAE or %. Press to select:
}
SOH (STATE OF HEALTH)
or
}
SOC (STATE OF CHARGE)
One of 6 results will be displayed.
Good & Pass
The battery is good and capable of holding a charge.
Marginal Battery
A Marginal battery indicates that your battery is functioning properly, but its life expectancy is compromised.
The battery should be closely monitored with more frequent battery checkups.
Recharge & Retest
The battery is discharged, the battery condition cannot be determined until it is fully charged. Recharge and
retest the battery.
