K&L Supply Co. TestMate Mini Battery And Charging System Tester/Analyzer

• This compact, easy to use tester is ideal for quick diagnosis without having to remove wiring

• Simply connect the included harness to the battery in question and begin testing

• With the ignition off, battery voltage is displayed

• When the starter is engaged, cranking voltage is displayed

• With the engine running, charging voltage at various RPMs can be observed, indicating potential regulator and alternator trouble

• Easier to read than a multimeter, the Testmate is small enough to use anywhere with no need to switch between different scales