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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