This 12V Battery & Alternator Tester is great for performing a thorough test of the battery condition, alternator charge or starter cranking condition on a wide range of 12V automotive, motorcycle or marine batteries. Use this compact device to accurately provide results of multiple different tests within seconds whilst the insulated positive and negative clamps ensure user safety while being applied to the battery. Obtaining test results is easy with the large, clear digital display whilst the battery status LED’s gives you a quick snapshot of the overall battery health. The lightweight and compact size makes this the ideal product to test the condition of old stored batteries before use or ensuring a battery is in a healthy state before long car trips both on and off the vehicle.