Battery alternator tester for 12V with control LED for car boat motorcycle

Battery / alternator tester for 12 volts
With LED indicator lights
For cars, motorcycles and boats with 12V batteries
Practical and very handy
With the tester a discharged battery can be predicted and a not starting of the engine can be avoided by timely exchange of the battery
With 6 LED indicator lights:
3 AC levels (alternator):
Strong (15.5V), Normal (14.5V), Low (13.2V)
3 battery charging levels:
Full (12.6V), Sufficient (12V), Empty (11.5V)
12 x 3 x 1.7 cm