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Battery Saver 12 & 24 Volt Aux. Plug-in Digital Battery Tester

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Product InformationStore Part Number: 4322


The 12 & 24 Volt Cigarette Lighter Plug-in Digital Battery Tester is small, compact, easy to use device that displays the voltage of the battery, indicates the battery's health through a GOOD/BAD LED light and offers two USB charging ports for smart devices, tablets and more! 

The tester not only monitors the battery's voltage, but if the engine is running in the vehicle, the device will check the charging system, essentially allowing you to be your own mechanic and diagnose the issue yourself.


  • Works on 12v and 24v Batteries and Systems
  • GOOD/BAD Battery Health Indicator LED
  • Reads the Battery's Condition
  • Tests the Vehicle's Charging System / Alternator
  • Monitors the Battery Voltage
  • 1 Year Warranty

Tech Specs

  • Dimensions (LxW): 3.5 x 3.5 in
  • Weight: .45 lb
  • Shipping Weight: 2 lb
  • LED Display: 3 DIGITS - 10 - 30 VOLTS DC OPERATION
  • Voltage Display: 9-15 Volts Operation
  • Low Voltage Display(12v): Below 12.2 (Red) - Above 12.2 (Blue)
  • Model: 4322
  • Manufacturer: Battery Saver
  • Protections: Short Circuit, & Reverse polarity
  • USB Output: 2.4A / 1.0A
  • Bad Battery (12v): Below 12.2 Volts
  • Good Battery (24v): Above 12.3 Volts
  • Warranty: 12 Months limited Warranty
  • Manufacturer Part #: 4322
  • Made In: Asia

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Order Line: 1-800-362-5397
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Tech Help: 541-474-4421
Fax: 541-471-6014
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Grants Pass, OR 97526
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