ALL SUN GK503 12V Auto Battery Tester for Charger/Alternator/Battery Check LCD Digital Battery Test Analyzer Alternator Cranking Check

Features: Compact and easy to use Indicate battery charging condition Check charging circuit of 12V batteries including sealed acid and maintenance free type Specification: Size: 46 x 102 x 16mm Weight: 73 g Function: charger check, alternator check, 12V battery check, cranking check Operating Environment: temperature: 0C ~ 40C Relative humidity: Positive / Black > Negative When the red light against "Charger Check" lights, charging is completed For Alternator Check Connect the "Battery Tester" to the battery terminals, Red >Positive / Black > Negative Accelelerate your engine to 2000 CPM When the red light against "Alternator Check" lights, the charging circuit is ok For Battery Check Connect the "Battery Tester" to the battery terminals, Red >Positive / Black > Negative If the red light doesn't react, check the connection of the clips to the battery The red lights will indicate the approximate percantage of charge in the battery ( An accurate indication of a battery's state of charge will only be possibile if the battery has not been charged or discharged for at least 30 minutes ) For Cranking Check Connect the "Battery Tester" to the battery terminals, Red >Positive / Black > Negative The red light against "Cranking Check" should remain lit when starter motor operates Package included: 1 x Battery Tester Details pictures: