JTC-J027 CAR BATTERY & ALTERNATOR CHECKER
• LED lights indicate car battery condition (engine stop) or output of alternator (engine running).
• Lights show poor, fair or good condition.
• Magnetic backboard keeps your hands free for checking.
• LED lights indicate car battery condition (engine stop) or output of alternator (engine running).
• Lights show poor, fair or good condition.
• Magnetic backboard keeps your hands free for checking.
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