Car Battery Tester 12V Motorcycle Battery Load Analyzer Alternator with 6 LEDs Display Check Scan Tool for Audi/VW/Ford/GM/Chrysler/Benz/BMW/Porsche Car, SUV, Light Duty Vehicles

ONLY for 12 Voltage Battery Connect clamps with battery correctly, turn on engine, accelerate to 2000 rpm. These lights would indicate if alternator works well. If the Fault Light lit up when the alternator voltage is too high, it would hurt your battery. Turn off Engine These lights indicate if the battery is already fully charged. Check Before Charge This light indicates if the battery could be charged. When the voltage drops to 10V, the battery would be dead and can NOT be re-charged anmore.

• This product is for checking the status of the battery and the alternator.
• 6 LED lights indicate Alternator and battery state, check before charge and overload display.
• Small size and light weight, easy to carry. Dimension: 12 x 5.2 x 1.8 cm; Weight: 67g
• Alternator state - accelerate the engine to 2000 rpm, when the green light is on, the charging status is ready.
• Length of the wire: 27cm; Maximum voltage and current: 12V 15A