CEN-TECH 12V Alternator/Battery Checker O783

This alternator/battery checker quickly checks the performance of the charging system. Determine at a glance whether a weak battery is caused by a faulty alternator or a failing battery. This battery checker is compact and easy-to-use. Helpful recommendations are provided to let you know when to recharge the battery, replace the battery, or retest the system.

• Two alternator readings: Good, Bad
• Three battery readings: Good, Low, Bad
• Insulated clamps with 28 in. leads for extended reach
• Magnetic back for hands-free placement
• Works with all 12V lead acid batteries