• This is a helpful tester for 12V vehicle battery.
• User is able to check the battery power level and the charging condition with various
  circumstances.
• It is also able to monitor the alternator condition by very easy procedure.
• With a Magnetic Board on the back slide to fix on suitable metal sheet of cars easily.
• Voltage Range: DC 6 ~ 16V
• Reverse Polarity Protection: Yes
• Short Circuit Protection: Yes
• Over-Voltage Protection: Yes
  (Forward DC Voltage < 30V for < 10 seconds).
• Alternator Overcharging (RED): Strong Output.
• Alternator O.K. (GREEN): Normal Output.
• ≥ 75% (GREEN): Good.
• ≥ 25% (GREEN): Fair.
• < 25% (RED): Poor.
• Battery Power (GREEN): Battery Connected.

• This is a helpful tester for 12V vehicle battery.
• User is able to check the battery power level and the charging condition with various
  circumstances.
• It is also able to monitor the alternator condition by very easy procedure.
• With a Magnetic Board on the back slide to fix on suitable metal sheet of cars easily.
• Voltage Range: DC 6 ~ 16V
• Reverse Polarity Protection: Yes
• Short Circuit Protection: Yes
• Over-Voltage Protection: Yes
  (Forward DC Voltage < 30V for < 10 seconds).
• Alternator Overcharging (RED): Strong Output.
• Alternator O.K. (GREEN): Normal Output.
• ≥ 75% (GREEN): Good.
• ≥ 25% (GREEN): Fair.
• < 25% (RED): Poor.
• Battery Power (GREEN): Battery Connected.